Home / 77,545.20-116,296.98-21,371.92

Finding the Fourth Proportional to 77,545.20, 116,296.98 and 21,371.92

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Solution

The fourth proportional to 77,545.20, 116,296.98 and 21,371.92 is: 32,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,545.20 : 116,296.98 = 21,371.92 : x
  2. Step 2: Convert to fraction form
    77,545.20/116,296.98 = 21,371.92/x
  3. Step 3: Cross multiply
    77,545.20x = 116,296.98 × 21,371.92
  4. Step 4: Simplify right side
    77,545.20x = 2,485,489,752.80
  5. Step 5: Solve for x
    x = 2,485,489,752.80/77,545.20
  6. Step 6: Final answer
    x = 32,052.14

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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.