Home / 87,957.39-131,973.45-43,584.98

Finding the Fourth Proportional to 87,957.39, 131,973.45 and 43,584.98

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Solution

The fourth proportional to 87,957.39, 131,973.45 and 43,584.98 is: 65,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,957.39 : 131,973.45 = 43,584.98 : x
  2. Step 2: Convert to fraction form
    87,957.39/131,973.45 = 43,584.98/x
  3. Step 3: Cross multiply
    87,957.39x = 131,973.45 × 43,584.98
  4. Step 4: Simplify right side
    87,957.39x = 5,752,059,960.86
  5. Step 5: Solve for x
    x = 5,752,059,960.86/87,957.39
  6. Step 6: Final answer
    x = 65,395.98

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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.