Home / 87,393.45-131,133.71-40,008.45

Finding the Fourth Proportional to 87,393.45, 131,133.71 and 40,008.45

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Solution

The fourth proportional to 87,393.45, 131,133.71 and 40,008.45 is: 60,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,393.45 : 131,133.71 = 40,008.45 : x
  2. Step 2: Convert to fraction form
    87,393.45/131,133.71 = 40,008.45/x
  3. Step 3: Cross multiply
    87,393.45x = 131,133.71 × 40,008.45
  4. Step 4: Simplify right side
    87,393.45x = 5,246,456,479.85
  5. Step 5: Solve for x
    x = 5,246,456,479.85/87,393.45
  6. Step 6: Final answer
    x = 60,032.61

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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.