Home / 57,220.10-85,830.15-54,304.10

Finding the Fourth Proportional to 57,220.10, 85,830.15 and 54,304.10

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Solution

The fourth proportional to 57,220.10, 85,830.15 and 54,304.10 is: 81,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,220.10 : 85,830.15 = 54,304.10 : x
  2. Step 2: Convert to fraction form
    57,220.10/85,830.15 = 54,304.10/x
  3. Step 3: Cross multiply
    57,220.10x = 85,830.15 × 54,304.10
  4. Step 4: Simplify right side
    57,220.10x = 4,660,929,048.62
  5. Step 5: Solve for x
    x = 4,660,929,048.62/57,220.10
  6. Step 6: Final answer
    x = 81,456.15

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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.