Home / 80,621.79-120,932.95-24,462.37

Finding the Fourth Proportional to 80,621.79, 120,932.95 and 24,462.37

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Solution

The fourth proportional to 80,621.79, 120,932.95 and 24,462.37 is: 36,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,621.79 : 120,932.95 = 24,462.37 : x
  2. Step 2: Convert to fraction form
    80,621.79/120,932.95 = 24,462.37/x
  3. Step 3: Cross multiply
    80,621.79x = 120,932.95 × 24,462.37
  4. Step 4: Simplify right side
    80,621.79x = 2,958,306,568.09
  5. Step 5: Solve for x
    x = 2,958,306,568.09/80,621.79
  6. Step 6: Final answer
    x = 36,693.64

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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.