Home / 74,344.14-111,456.72-38,787.61

Finding the Fourth Proportional to 74,344.14, 111,456.72 and 38,787.61

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Solution

The fourth proportional to 74,344.14, 111,456.72 and 38,787.61 is: 58,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.14 : 111,456.72 = 38,787.61 : x
  2. Step 2: Convert to fraction form
    74,344.14/111,456.72 = 38,787.61/x
  3. Step 3: Cross multiply
    74,344.14x = 111,456.72 × 38,787.61
  4. Step 4: Simplify right side
    74,344.14x = 4,323,139,787.24
  5. Step 5: Solve for x
    x = 4,323,139,787.24/74,344.14
  6. Step 6: Final answer
    x = 58,150.38

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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.