Home / 80,379.90-120,590.04-24,218.82

Finding the Fourth Proportional to 80,379.90, 120,590.04 and 24,218.82

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Solution

The fourth proportional to 80,379.90, 120,590.04 and 24,218.82 is: 36,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,379.90 : 120,590.04 = 24,218.82 : x
  2. Step 2: Convert to fraction form
    80,379.90/120,590.04 = 24,218.82/x
  3. Step 3: Cross multiply
    80,379.90x = 120,590.04 × 24,218.82
  4. Step 4: Simplify right side
    80,379.90x = 2,920,548,472.55
  5. Step 5: Solve for x
    x = 2,920,548,472.55/80,379.90
  6. Step 6: Final answer
    x = 36,334.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.