Home / 89,749.35-123,854.94-49,464.57

Finding the Fourth Proportional to 89,749.35, 123,854.94 and 49,464.57

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Solution

The fourth proportional to 89,749.35, 123,854.94 and 49,464.57 is: 68,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,749.35 : 123,854.94 = 49,464.57 : x
  2. Step 2: Convert to fraction form
    89,749.35/123,854.94 = 49,464.57/x
  3. Step 3: Cross multiply
    89,749.35x = 123,854.94 × 49,464.57
  4. Step 4: Simplify right side
    89,749.35x = 6,126,431,349.48
  5. Step 5: Solve for x
    x = 6,126,431,349.48/89,749.35
  6. Step 6: Final answer
    x = 68,261.57

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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.