Home / 87,032.38-120,103.64-48,791.74

Finding the Fourth Proportional to 87,032.38, 120,103.64 and 48,791.74

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Solution

The fourth proportional to 87,032.38, 120,103.64 and 48,791.74 is: 67,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,032.38 : 120,103.64 = 48,791.74 : x
  2. Step 2: Convert to fraction form
    87,032.38/120,103.64 = 48,791.74/x
  3. Step 3: Cross multiply
    87,032.38x = 120,103.64 × 48,791.74
  4. Step 4: Simplify right side
    87,032.38x = 5,860,065,575.93
  5. Step 5: Solve for x
    x = 5,860,065,575.93/87,032.38
  6. Step 6: Final answer
    x = 67,332.02

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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.