Home / 91,891.30-137,861.24-49,752.66

Finding the Fourth Proportional to 91,891.30, 137,861.24 and 49,752.66

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Solution

The fourth proportional to 91,891.30, 137,861.24 and 49,752.66 is: 74,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,891.30 : 137,861.24 = 49,752.66 : x
  2. Step 2: Convert to fraction form
    91,891.30/137,861.24 = 49,752.66/x
  3. Step 3: Cross multiply
    91,891.30x = 137,861.24 × 49,752.66
  4. Step 4: Simplify right side
    91,891.30x = 6,858,963,400.90
  5. Step 5: Solve for x
    x = 6,858,963,400.90/91,891.30
  6. Step 6: Final answer
    x = 74,642.14

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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.