Home / 74,532.38-102,845.33-50,385.87

Finding the Fourth Proportional to 74,532.38, 102,845.33 and 50,385.87

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Solution

The fourth proportional to 74,532.38, 102,845.33 and 50,385.87 is: 69,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,532.38 : 102,845.33 = 50,385.87 : x
  2. Step 2: Convert to fraction form
    74,532.38/102,845.33 = 50,385.87/x
  3. Step 3: Cross multiply
    74,532.38x = 102,845.33 × 50,385.87
  4. Step 4: Simplify right side
    74,532.38x = 5,181,951,175.56
  5. Step 5: Solve for x
    x = 5,181,951,175.56/74,532.38
  6. Step 6: Final answer
    x = 69,526.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.