Home / 86,256.75-129,385.13-23,927.25

Finding the Fourth Proportional to 86,256.75, 129,385.13 and 23,927.25

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Solution

The fourth proportional to 86,256.75, 129,385.13 and 23,927.25 is: 35,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256.75 : 129,385.13 = 23,927.25 : x
  2. Step 2: Convert to fraction form
    86,256.75/129,385.13 = 23,927.25/x
  3. Step 3: Cross multiply
    86,256.75x = 129,385.13 × 23,927.25
  4. Step 4: Simplify right side
    86,256.75x = 3,095,830,232.16
  5. Step 5: Solve for x
    x = 3,095,830,232.16/86,256.75
  6. Step 6: Final answer
    x = 35,890.88

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Double scale
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Similar ratio
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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.