Home / 89,539.05-123,561.90-49,251.93

Finding the Fourth Proportional to 89,539.05, 123,561.90 and 49,251.93

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Solution

The fourth proportional to 89,539.05, 123,561.90 and 49,251.93 is: 67,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,539.05 : 123,561.90 = 49,251.93 : x
  2. Step 2: Convert to fraction form
    89,539.05/123,561.90 = 49,251.93/x
  3. Step 3: Cross multiply
    89,539.05x = 123,561.90 × 49,251.93
  4. Step 4: Simplify right side
    89,539.05x = 6,085,662,049.47
  5. Step 5: Solve for x
    x = 6,085,662,049.47/89,539.05
  6. Step 6: Final answer
    x = 67,966.57

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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.