Home / 80,628.28-120,942.70-24,468.84

Finding the Fourth Proportional to 80,628.28, 120,942.70 and 24,468.84

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Solution

The fourth proportional to 80,628.28, 120,942.70 and 24,468.84 is: 36,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,628.28 : 120,942.70 = 24,468.84 : x
  2. Step 2: Convert to fraction form
    80,628.28/120,942.70 = 24,468.84/x
  3. Step 3: Cross multiply
    80,628.28x = 120,942.70 × 24,468.84
  4. Step 4: Simplify right side
    80,628.28x = 2,959,327,575.47
  5. Step 5: Solve for x
    x = 2,959,327,575.47/80,628.28
  6. Step 6: Final answer
    x = 36,703.34

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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.