Home / 80,393.04-120,613.14-36,009.92

Finding the Fourth Proportional to 80,393.04, 120,613.14 and 36,009.92

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Solution

The fourth proportional to 80,393.04, 120,613.14 and 36,009.92 is: 54,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,393.04 : 120,613.14 = 36,009.92 : x
  2. Step 2: Convert to fraction form
    80,393.04/120,613.14 = 36,009.92/x
  3. Step 3: Cross multiply
    80,393.04x = 120,613.14 × 36,009.92
  4. Step 4: Simplify right side
    80,393.04x = 4,343,269,522.35
  5. Step 5: Solve for x
    x = 4,343,269,522.35/80,393.04
  6. Step 6: Final answer
    x = 54,025.44

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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.