Home / 89,407.68-123,383.43-49,122.28

Finding the Fourth Proportional to 89,407.68, 123,383.43 and 49,122.28

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Solution

The fourth proportional to 89,407.68, 123,383.43 and 49,122.28 is: 67,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,407.68 : 123,383.43 = 49,122.28 : x
  2. Step 2: Convert to fraction form
    89,407.68/123,383.43 = 49,122.28/x
  3. Step 3: Cross multiply
    89,407.68x = 123,383.43 × 49,122.28
  4. Step 4: Simplify right side
    89,407.68x = 6,060,874,778.90
  5. Step 5: Solve for x
    x = 6,060,874,778.90/89,407.68
  6. Step 6: Final answer
    x = 67,789.20

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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.