Home / 87,940.23-132,086.86-52,470.77

Finding the Fourth Proportional to 87,940.23, 132,086.86 and 52,470.77

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Solution

The fourth proportional to 87,940.23, 132,086.86 and 52,470.77 is: 78,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940.23 : 132,086.86 = 52,470.77 : x
  2. Step 2: Convert to fraction form
    87,940.23/132,086.86 = 52,470.77/x
  3. Step 3: Cross multiply
    87,940.23x = 132,086.86 × 52,470.77
  4. Step 4: Simplify right side
    87,940.23x = 6,930,698,590.65
  5. Step 5: Solve for x
    x = 6,930,698,590.65/87,940.23
  6. Step 6: Final answer
    x = 78,811.47

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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.