Home / 87,414.93-120,651.71-55,577.61

Finding the Fourth Proportional to 87,414.93, 120,651.71 and 55,577.61

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Solution

The fourth proportional to 87,414.93, 120,651.71 and 55,577.61 is: 76,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,414.93 : 120,651.71 = 55,577.61 : x
  2. Step 2: Convert to fraction form
    87,414.93/120,651.71 = 55,577.61/x
  3. Step 3: Cross multiply
    87,414.93x = 120,651.71 × 55,577.61
  4. Step 4: Simplify right side
    87,414.93x = 6,705,533,406.33
  5. Step 5: Solve for x
    x = 6,705,533,406.33/87,414.93
  6. Step 6: Final answer
    x = 76,709.25

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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.