Home / 71,607.28-107,381.66-31,083.38

Finding the Fourth Proportional to 71,607.28, 107,381.66 and 31,083.38

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Solution

The fourth proportional to 71,607.28, 107,381.66 and 31,083.38 is: 46,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,607.28 : 107,381.66 = 31,083.38 : x
  2. Step 2: Convert to fraction form
    71,607.28/107,381.66 = 31,083.38/x
  3. Step 3: Cross multiply
    71,607.28x = 107,381.66 × 31,083.38
  4. Step 4: Simplify right side
    71,607.28x = 3,337,785,055.85
  5. Step 5: Solve for x
    x = 3,337,785,055.85/71,607.28
  6. Step 6: Final answer
    x = 46,612.37

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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.