Home / 89,480.13-123,479.43-49,193.60

Finding the Fourth Proportional to 89,480.13, 123,479.43 and 49,193.60

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Solution

The fourth proportional to 89,480.13, 123,479.43 and 49,193.60 is: 67,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,480.13 : 123,479.43 = 49,193.60 : x
  2. Step 2: Convert to fraction form
    89,480.13/123,479.43 = 49,193.60/x
  3. Step 3: Cross multiply
    89,480.13x = 123,479.43 × 49,193.60
  4. Step 4: Simplify right side
    89,480.13x = 6,074,396,824.28
  5. Step 5: Solve for x
    x = 6,074,396,824.28/89,480.13
  6. Step 6: Final answer
    x = 67,885.43

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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.