Home / 89,564.55-123,616.76-51,349.77

Finding the Fourth Proportional to 89,564.55, 123,616.76 and 51,349.77

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Solution

The fourth proportional to 89,564.55, 123,616.76 and 51,349.77 is: 70,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,564.55 : 123,616.76 = 51,349.77 : x
  2. Step 2: Convert to fraction form
    89,564.55/123,616.76 = 51,349.77/x
  3. Step 3: Cross multiply
    89,564.55x = 123,616.76 × 51,349.77
  4. Step 4: Simplify right side
    89,564.55x = 6,347,691,937.40
  5. Step 5: Solve for x
    x = 6,347,691,937.40/89,564.55
  6. Step 6: Final answer
    x = 70,872.82

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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.