Home / 80,471.04-120,597.16-30,524.28

Finding the Fourth Proportional to 80,471.04, 120,597.16 and 30,524.28

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Solution

The fourth proportional to 80,471.04, 120,597.16 and 30,524.28 is: 45,744.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,471.04 : 120,597.16 = 30,524.28 : x
  2. Step 2: Convert to fraction form
    80,471.04/120,597.16 = 30,524.28/x
  3. Step 3: Cross multiply
    80,471.04x = 120,597.16 × 30,524.28
  4. Step 4: Simplify right side
    80,471.04x = 3,681,141,479.04
  5. Step 5: Solve for x
    x = 3,681,141,479.04/80,471.04
  6. Step 6: Final answer
    x = 45,744.92

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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.