Home / 89,593.05-123,638.43-49,306.80

Finding the Fourth Proportional to 89,593.05, 123,638.43 and 49,306.80

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Solution

The fourth proportional to 89,593.05, 123,638.43 and 49,306.80 is: 68,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,593.05 : 123,638.43 = 49,306.80 : x
  2. Step 2: Convert to fraction form
    89,593.05/123,638.43 = 49,306.80/x
  3. Step 3: Cross multiply
    89,593.05x = 123,638.43 × 49,306.80
  4. Step 4: Simplify right side
    89,593.05x = 6,096,215,340.32
  5. Step 5: Solve for x
    x = 6,096,215,340.32/89,593.05
  6. Step 6: Final answer
    x = 68,043.40

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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.