Home / 125,504.64-173,197.04-71,791.92

Finding the Fourth Proportional to 125,504.64, 173,197.04 and 71,791.92

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Solution

The fourth proportional to 125,504.64, 173,197.04 and 71,791.92 is: 99,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,504.64 : 173,197.04 = 71,791.92 : x
  2. Step 2: Convert to fraction form
    125,504.64/173,197.04 = 71,791.92/x
  3. Step 3: Cross multiply
    125,504.64x = 173,197.04 × 71,791.92
  4. Step 4: Simplify right side
    125,504.64x = 12,434,147,680.96
  5. Step 5: Solve for x
    x = 12,434,147,680.96/125,504.64
  6. Step 6: Final answer
    x = 99,073.21

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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.