Home / 89,505.47-123,517.51-49,221.95

Finding the Fourth Proportional to 89,505.47, 123,517.51 and 49,221.95

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Solution

The fourth proportional to 89,505.47, 123,517.51 and 49,221.95 is: 67,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.47 : 123,517.51 = 49,221.95 : x
  2. Step 2: Convert to fraction form
    89,505.47/123,517.51 = 49,221.95/x
  3. Step 3: Cross multiply
    89,505.47x = 123,517.51 × 49,221.95
  4. Step 4: Simplify right side
    89,505.47x = 6,079,771,960.70
  5. Step 5: Solve for x
    x = 6,079,771,960.70/89,505.47
  6. Step 6: Final answer
    x = 67,926.26

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1.5x scale

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.