Home / 57,710.10-86,565.15-38,010.90

Finding the Fourth Proportional to 57,710.10, 86,565.15 and 38,010.90

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Solution

The fourth proportional to 57,710.10, 86,565.15 and 38,010.90 is: 57,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,710.10 : 86,565.15 = 38,010.90 : x
  2. Step 2: Convert to fraction form
    57,710.10/86,565.15 = 38,010.90/x
  3. Step 3: Cross multiply
    57,710.10x = 86,565.15 × 38,010.90
  4. Step 4: Simplify right side
    57,710.10x = 3,290,419,260.14
  5. Step 5: Solve for x
    x = 3,290,419,260.14/57,710.10
  6. Step 6: Final answer
    x = 57,016.35

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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.