Home / 80,174.96-120,275.40-33,432.56

Finding the Fourth Proportional to 80,174.96, 120,275.40 and 33,432.56

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Solution

The fourth proportional to 80,174.96, 120,275.40 and 33,432.56 is: 50,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,174.96 : 120,275.40 = 33,432.56 : x
  2. Step 2: Convert to fraction form
    80,174.96/120,275.40 = 33,432.56/x
  3. Step 3: Cross multiply
    80,174.96x = 120,275.40 × 33,432.56
  4. Step 4: Simplify right side
    80,174.96x = 4,021,114,527.02
  5. Step 5: Solve for x
    x = 4,021,114,527.02/80,174.96
  6. Step 6: Final answer
    x = 50,154.24

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1.5x scale

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.