Home / 57,501.26-86,164.12-38,711.90

Finding the Fourth Proportional to 57,501.26, 86,164.12 and 38,711.90

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Solution

The fourth proportional to 57,501.26, 86,164.12 and 38,711.90 is: 58,008.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,501.26 : 86,164.12 = 38,711.90 : x
  2. Step 2: Convert to fraction form
    57,501.26/86,164.12 = 38,711.90/x
  3. Step 3: Cross multiply
    57,501.26x = 86,164.12 × 38,711.90
  4. Step 4: Simplify right side
    57,501.26x = 3,335,576,797.03
  5. Step 5: Solve for x
    x = 3,335,576,797.03/57,501.26
  6. Step 6: Final answer
    x = 58,008.76

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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.