Home / 89,513.02-123,531.14-49,229.90

Finding the Fourth Proportional to 89,513.02, 123,531.14 and 49,229.90

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Solution

The fourth proportional to 89,513.02, 123,531.14 and 49,229.90 is: 67,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,513.02 : 123,531.14 = 49,229.90 : x
  2. Step 2: Convert to fraction form
    89,513.02/123,531.14 = 49,229.90/x
  3. Step 3: Cross multiply
    89,513.02x = 123,531.14 × 49,229.90
  4. Step 4: Simplify right side
    89,513.02x = 6,081,425,669.09
  5. Step 5: Solve for x
    x = 6,081,425,669.09/89,513.02
  6. Step 6: Final answer
    x = 67,939.01

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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.