Home / 89,475.39-123,478.40-49,190.17

Finding the Fourth Proportional to 89,475.39, 123,478.40 and 49,190.17

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Solution

The fourth proportional to 89,475.39, 123,478.40 and 49,190.17 is: 67,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,475.39 : 123,478.40 = 49,190.17 : x
  2. Step 2: Convert to fraction form
    89,475.39/123,478.40 = 49,190.17/x
  3. Step 3: Cross multiply
    89,475.39x = 123,478.40 × 49,190.17
  4. Step 4: Simplify right side
    89,475.39x = 6,073,923,487.33
  5. Step 5: Solve for x
    x = 6,073,923,487.33/89,475.39
  6. Step 6: Final answer
    x = 67,883.73

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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.