Home / 87,959.39-131,972.29-52,923.65

Finding the Fourth Proportional to 87,959.39, 131,972.29 and 52,923.65

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Solution

The fourth proportional to 87,959.39, 131,972.29 and 52,923.65 is: 79,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,959.39 : 131,972.29 = 52,923.65 : x
  2. Step 2: Convert to fraction form
    87,959.39/131,972.29 = 52,923.65/x
  3. Step 3: Cross multiply
    87,959.39x = 131,972.29 × 52,923.65
  4. Step 4: Simplify right side
    87,959.39x = 6,984,454,493.49
  5. Step 5: Solve for x
    x = 6,984,454,493.49/87,959.39
  6. Step 6: Final answer
    x = 79,405.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.