Home / 91,534.72-137,353.98-49,414.24

Finding the Fourth Proportional to 91,534.72, 137,353.98 and 49,414.24

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Solution

The fourth proportional to 91,534.72, 137,353.98 and 49,414.24 is: 74,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,534.72 : 137,353.98 = 49,414.24 : x
  2. Step 2: Convert to fraction form
    91,534.72/137,353.98 = 49,414.24/x
  3. Step 3: Cross multiply
    91,534.72x = 137,353.98 × 49,414.24
  4. Step 4: Simplify right side
    91,534.72x = 6,787,242,532.68
  5. Step 5: Solve for x
    x = 6,787,242,532.68/91,534.72
  6. Step 6: Final answer
    x = 74,149.38

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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.