Home / 91,734.91-137,469.56-63,242.62

Finding the Fourth Proportional to 91,734.91, 137,469.56 and 63,242.62

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Solution

The fourth proportional to 91,734.91, 137,469.56 and 63,242.62 is: 94,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,734.91 : 137,469.56 = 63,242.62 : x
  2. Step 2: Convert to fraction form
    91,734.91/137,469.56 = 63,242.62/x
  3. Step 3: Cross multiply
    91,734.91x = 137,469.56 × 63,242.62
  4. Step 4: Simplify right side
    91,734.91x = 8,693,935,077.66
  5. Step 5: Solve for x
    x = 8,693,935,077.66/91,734.91
  6. Step 6: Final answer
    x = 94,772.37

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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.