Home / 71,781.36-107,553.55-41,711.18

Finding the Fourth Proportional to 71,781.36, 107,553.55 and 41,711.18

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Solution

The fourth proportional to 71,781.36, 107,553.55 and 41,711.18 is: 62,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,781.36 : 107,553.55 = 41,711.18 : x
  2. Step 2: Convert to fraction form
    71,781.36/107,553.55 = 41,711.18/x
  3. Step 3: Cross multiply
    71,781.36x = 107,553.55 × 41,711.18
  4. Step 4: Simplify right side
    71,781.36x = 4,486,185,483.69
  5. Step 5: Solve for x
    x = 4,486,185,483.69/71,781.36
  6. Step 6: Final answer
    x = 62,497.92

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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.