Home / 89,519.76-123,527.64-51,786.96

Finding the Fourth Proportional to 89,519.76, 123,527.64 and 51,786.96

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Solution

The fourth proportional to 89,519.76, 123,527.64 and 51,786.96 is: 71,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,519.76 : 123,527.64 = 51,786.96 : x
  2. Step 2: Convert to fraction form
    89,519.76/123,527.64 = 51,786.96/x
  3. Step 3: Cross multiply
    89,519.76x = 123,527.64 × 51,786.96
  4. Step 4: Simplify right side
    89,519.76x = 6,397,120,951.57
  5. Step 5: Solve for x
    x = 6,397,120,951.57/89,519.76
  6. Step 6: Final answer
    x = 71,460.43

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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.