Home / 87,807.36-131,740.60-27,845.66

Finding the Fourth Proportional to 87,807.36, 131,740.60 and 27,845.66

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Solution

The fourth proportional to 87,807.36, 131,740.60 and 27,845.66 is: 41,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,807.36 : 131,740.60 = 27,845.66 : x
  2. Step 2: Convert to fraction form
    87,807.36/131,740.60 = 27,845.66/x
  3. Step 3: Cross multiply
    87,807.36x = 131,740.60 × 27,845.66
  4. Step 4: Simplify right side
    87,807.36x = 3,668,403,955.80
  5. Step 5: Solve for x
    x = 3,668,403,955.80/87,807.36
  6. Step 6: Final answer
    x = 41,777.86

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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.