Home / 87,084-120,177.32-48,852.07

Finding the Fourth Proportional to 87,084, 120,177.32 and 48,852.07

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Solution

The fourth proportional to 87,084, 120,177.32 and 48,852.07 is: 67,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,084 : 120,177.32 = 48,852.07 : x
  2. Step 2: Convert to fraction form
    87,084/120,177.32 = 48,852.07/x
  3. Step 3: Cross multiply
    87,084x = 120,177.32 × 48,852.07
  4. Step 4: Simplify right side
    87,084x = 5,870,910,304.35
  5. Step 5: Solve for x
    x = 5,870,910,304.35/87,084
  6. Step 6: Final answer
    x = 67,416.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.