Home / 89,472.39-123,458.52-51,225.90

Finding the Fourth Proportional to 89,472.39, 123,458.52 and 51,225.90

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Solution

The fourth proportional to 89,472.39, 123,458.52 and 51,225.90 is: 70,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,472.39 : 123,458.52 = 51,225.90 : x
  2. Step 2: Convert to fraction form
    89,472.39/123,458.52 = 51,225.90/x
  3. Step 3: Cross multiply
    89,472.39x = 123,458.52 × 51,225.90
  4. Step 4: Simplify right side
    89,472.39x = 6,324,273,799.67
  5. Step 5: Solve for x
    x = 6,324,273,799.67/89,472.39
  6. Step 6: Final answer
    x = 70,684.08

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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.