Home / 55,963.20-83,945.52-16,520.88

Finding the Fourth Proportional to 55,963.20, 83,945.52 and 16,520.88

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Solution

The fourth proportional to 55,963.20, 83,945.52 and 16,520.88 is: 24,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.20 : 83,945.52 = 16,520.88 : x
  2. Step 2: Convert to fraction form
    55,963.20/83,945.52 = 16,520.88/x
  3. Step 3: Cross multiply
    55,963.20x = 83,945.52 × 16,520.88
  4. Step 4: Simplify right side
    55,963.20x = 1,386,853,862.46
  5. Step 5: Solve for x
    x = 1,386,853,862.46/55,963.20
  6. Step 6: Final answer
    x = 24,781.53

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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.