Home / 80,621.90-120,933.12-24,462.46

Finding the Fourth Proportional to 80,621.90, 120,933.12 and 24,462.46

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Solution

The fourth proportional to 80,621.90, 120,933.12 and 24,462.46 is: 36,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,621.90 : 120,933.12 = 24,462.46 : x
  2. Step 2: Convert to fraction form
    80,621.90/120,933.12 = 24,462.46/x
  3. Step 3: Cross multiply
    80,621.90x = 120,933.12 × 24,462.46
  4. Step 4: Simplify right side
    80,621.90x = 2,958,321,610.68
  5. Step 5: Solve for x
    x = 2,958,321,610.68/80,621.90
  6. Step 6: Final answer
    x = 36,693.77

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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.