Home / 84,845.15-127,149.49-63,760.57

Finding the Fourth Proportional to 84,845.15, 127,149.49 and 63,760.57

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Solution

The fourth proportional to 84,845.15, 127,149.49 and 63,760.57 is: 95,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,845.15 : 127,149.49 = 63,760.57 : x
  2. Step 2: Convert to fraction form
    84,845.15/127,149.49 = 63,760.57/x
  3. Step 3: Cross multiply
    84,845.15x = 127,149.49 × 63,760.57
  4. Step 4: Simplify right side
    84,845.15x = 8,107,123,957.61
  5. Step 5: Solve for x
    x = 8,107,123,957.61/84,845.15
  6. Step 6: Final answer
    x = 95,552.00

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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.