Home / 89,463.30-123,457.97-49,176.20

Finding the Fourth Proportional to 89,463.30, 123,457.97 and 49,176.20

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Solution

The fourth proportional to 89,463.30, 123,457.97 and 49,176.20 is: 67,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,463.30 : 123,457.97 = 49,176.20 : x
  2. Step 2: Convert to fraction form
    89,463.30/123,457.97 = 49,176.20/x
  3. Step 3: Cross multiply
    89,463.30x = 123,457.97 × 49,176.20
  4. Step 4: Simplify right side
    89,463.30x = 6,071,193,887.08
  5. Step 5: Solve for x
    x = 6,071,193,887.08/89,463.30
  6. Step 6: Final answer
    x = 67,862.40

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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.