Home / 77,551.73-116,328.20-42,472.25

Finding the Fourth Proportional to 77,551.73, 116,328.20 and 42,472.25

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Solution

The fourth proportional to 77,551.73, 116,328.20 and 42,472.25 is: 63,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,551.73 : 116,328.20 = 42,472.25 : x
  2. Step 2: Convert to fraction form
    77,551.73/116,328.20 = 42,472.25/x
  3. Step 3: Cross multiply
    77,551.73x = 116,328.20 × 42,472.25
  4. Step 4: Simplify right side
    77,551.73x = 4,940,720,273.58
  5. Step 5: Solve for x
    x = 4,940,720,273.58/77,551.73
  6. Step 6: Final answer
    x = 63,708.71

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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.