Home / 107,520.86-148,379.38-59,778.66

Finding the Fourth Proportional to 107,520.86, 148,379.38 and 59,778.66

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Solution

The fourth proportional to 107,520.86, 148,379.38 and 59,778.66 is: 82,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,520.86 : 148,379.38 = 59,778.66 : x
  2. Step 2: Convert to fraction form
    107,520.86/148,379.38 = 59,778.66/x
  3. Step 3: Cross multiply
    107,520.86x = 148,379.38 × 59,778.66
  4. Step 4: Simplify right side
    107,520.86x = 8,869,920,508.03
  5. Step 5: Solve for x
    x = 8,869,920,508.03/107,520.86
  6. Step 6: Final answer
    x = 82,494.88

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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.