Home / 87,668.28-131,535.54-52,632.36

Finding the Fourth Proportional to 87,668.28, 131,535.54 and 52,632.36

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Solution

The fourth proportional to 87,668.28, 131,535.54 and 52,632.36 is: 78,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,668.28 : 131,535.54 = 52,632.36 : x
  2. Step 2: Convert to fraction form
    87,668.28/131,535.54 = 52,632.36/x
  3. Step 3: Cross multiply
    87,668.28x = 131,535.54 × 52,632.36
  4. Step 4: Simplify right side
    87,668.28x = 6,923,025,894.07
  5. Step 5: Solve for x
    x = 6,923,025,894.07/87,668.28
  6. Step 6: Final answer
    x = 78,968.42

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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.