Home / 80,682.12-111,342.90-44,872.20

Finding the Fourth Proportional to 80,682.12, 111,342.90 and 44,872.20

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Solution

The fourth proportional to 80,682.12, 111,342.90 and 44,872.20 is: 61,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,682.12 : 111,342.90 = 44,872.20 : x
  2. Step 2: Convert to fraction form
    80,682.12/111,342.90 = 44,872.20/x
  3. Step 3: Cross multiply
    80,682.12x = 111,342.90 × 44,872.20
  4. Step 4: Simplify right side
    80,682.12x = 4,996,200,877.38
  5. Step 5: Solve for x
    x = 4,996,200,877.38/80,682.12
  6. Step 6: Final answer
    x = 61,924.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.