Home / 87,097.20-130,470.84-42,696.24

Finding the Fourth Proportional to 87,097.20, 130,470.84 and 42,696.24

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Solution

The fourth proportional to 87,097.20, 130,470.84 and 42,696.24 is: 63,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097.20 : 130,470.84 = 42,696.24 : x
  2. Step 2: Convert to fraction form
    87,097.20/130,470.84 = 42,696.24/x
  3. Step 3: Cross multiply
    87,097.20x = 130,470.84 × 42,696.24
  4. Step 4: Simplify right side
    87,097.20x = 5,570,614,297.64
  5. Step 5: Solve for x
    x = 5,570,614,297.64/87,097.20
  6. Step 6: Final answer
    x = 63,958.59

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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.