Home / 87,174.22-119,922.91-76,370.44

Finding the Fourth Proportional to 87,174.22, 119,922.91 and 76,370.44

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Solution

The fourth proportional to 87,174.22, 119,922.91 and 76,370.44 is: 105,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,174.22 : 119,922.91 = 76,370.44 : x
  2. Step 2: Convert to fraction form
    87,174.22/119,922.91 = 76,370.44/x
  3. Step 3: Cross multiply
    87,174.22x = 119,922.91 × 76,370.44
  4. Step 4: Simplify right side
    87,174.22x = 9,158,565,402.78
  5. Step 5: Solve for x
    x = 9,158,565,402.78/87,174.22
  6. Step 6: Final answer
    x = 105,060.48

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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.