Home / 87,700.28-131,583.56-52,664.36

Finding the Fourth Proportional to 87,700.28, 131,583.56 and 52,664.36

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Solution

The fourth proportional to 87,700.28, 131,583.56 and 52,664.36 is: 79,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,700.28 : 131,583.56 = 52,664.36 : x
  2. Step 2: Convert to fraction form
    87,700.28/131,583.56 = 52,664.36/x
  3. Step 3: Cross multiply
    87,700.28x = 131,583.56 × 52,664.36
  4. Step 4: Simplify right side
    87,700.28x = 6,929,763,973.92
  5. Step 5: Solve for x
    x = 6,929,763,973.92/87,700.28
  6. Step 6: Final answer
    x = 79,016.44

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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.