Home / 77,385.80-116,062.24-24,781.16

Finding the Fourth Proportional to 77,385.80, 116,062.24 and 24,781.16

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Solution

The fourth proportional to 77,385.80, 116,062.24 and 24,781.16 is: 37,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,385.80 : 116,062.24 = 24,781.16 : x
  2. Step 2: Convert to fraction form
    77,385.80/116,062.24 = 24,781.16/x
  3. Step 3: Cross multiply
    77,385.80x = 116,062.24 × 24,781.16
  4. Step 4: Simplify right side
    77,385.80x = 2,876,156,939.40
  5. Step 5: Solve for x
    x = 2,876,156,939.40/77,385.80
  6. Step 6: Final answer
    x = 37,166.47

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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.