Home / 80,899.30-111,641.56-45,091.59

Finding the Fourth Proportional to 80,899.30, 111,641.56 and 45,091.59

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Solution

The fourth proportional to 80,899.30, 111,641.56 and 45,091.59 is: 62,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,899.30 : 111,641.56 = 45,091.59 : x
  2. Step 2: Convert to fraction form
    80,899.30/111,641.56 = 45,091.59/x
  3. Step 3: Cross multiply
    80,899.30x = 111,641.56 × 45,091.59
  4. Step 4: Simplify right side
    80,899.30x = 5,034,094,919.10
  5. Step 5: Solve for x
    x = 5,034,094,919.10/80,899.30
  6. Step 6: Final answer
    x = 62,226.68

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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.