Home / 49,471.31-74,129.13-38,254.02

Finding the Fourth Proportional to 49,471.31, 74,129.13 and 38,254.02

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Solution

The fourth proportional to 49,471.31, 74,129.13 and 38,254.02 is: 57,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,471.31 : 74,129.13 = 38,254.02 : x
  2. Step 2: Convert to fraction form
    49,471.31/74,129.13 = 38,254.02/x
  3. Step 3: Cross multiply
    49,471.31x = 74,129.13 × 38,254.02
  4. Step 4: Simplify right side
    49,471.31x = 2,835,737,221.60
  5. Step 5: Solve for x
    x = 2,835,737,221.60/49,471.31
  6. Step 6: Final answer
    x = 57,320.85

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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.