Home / 45,504.10-68,256.15-37,728.10

Finding the Fourth Proportional to 45,504.10, 68,256.15 and 37,728.10

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Solution

The fourth proportional to 45,504.10, 68,256.15 and 37,728.10 is: 56,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,504.10 : 68,256.15 = 37,728.10 : x
  2. Step 2: Convert to fraction form
    45,504.10/68,256.15 = 37,728.10/x
  3. Step 3: Cross multiply
    45,504.10x = 68,256.15 × 37,728.10
  4. Step 4: Simplify right side
    45,504.10x = 2,575,174,852.82
  5. Step 5: Solve for x
    x = 2,575,174,852.82/45,504.10
  6. Step 6: Final answer
    x = 56,592.15

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Half scale
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Double scale
Find fourth proportional to 45,505.10, 68,257.65 and 37,729.10
Similar ratio
Find fourth proportional to 68,256.15, 102,384.23 and 56,592.15
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.