Home / 89,753.08-123,854.19-49,466.72

Finding the Fourth Proportional to 89,753.08, 123,854.19 and 49,466.72

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Solution

The fourth proportional to 89,753.08, 123,854.19 and 49,466.72 is: 68,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,753.08 : 123,854.19 = 49,466.72 : x
  2. Step 2: Convert to fraction form
    89,753.08/123,854.19 = 49,466.72/x
  3. Step 3: Cross multiply
    89,753.08x = 123,854.19 × 49,466.72
  4. Step 4: Simplify right side
    89,753.08x = 6,126,659,918.29
  5. Step 5: Solve for x
    x = 6,126,659,918.29/89,753.08
  6. Step 6: Final answer
    x = 68,261.28

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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.