Home / 89,538.28-123,559.02-49,249.49

Finding the Fourth Proportional to 89,538.28, 123,559.02 and 49,249.49

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Solution

The fourth proportional to 89,538.28, 123,559.02 and 49,249.49 is: 67,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.28 : 123,559.02 = 49,249.49 : x
  2. Step 2: Convert to fraction form
    89,538.28/123,559.02 = 49,249.49/x
  3. Step 3: Cross multiply
    89,538.28x = 123,559.02 × 49,249.49
  4. Step 4: Simplify right side
    89,538.28x = 6,085,218,102.10
  5. Step 5: Solve for x
    x = 6,085,218,102.10/89,538.28
  6. Step 6: Final answer
    x = 67,962.20

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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.