Home / 80,557.06-120,882.40-33,176.92

Finding the Fourth Proportional to 80,557.06, 120,882.40 and 33,176.92

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Solution

The fourth proportional to 80,557.06, 120,882.40 and 33,176.92 is: 49,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,557.06 : 120,882.40 = 33,176.92 : x
  2. Step 2: Convert to fraction form
    80,557.06/120,882.40 = 33,176.92/x
  3. Step 3: Cross multiply
    80,557.06x = 120,882.40 × 33,176.92
  4. Step 4: Simplify right side
    80,557.06x = 4,010,505,714.21
  5. Step 5: Solve for x
    x = 4,010,505,714.21/80,557.06
  6. Step 6: Final answer
    x = 49,784.66

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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.