Home / 80,523.12-111,104.01-48,691.35

Finding the Fourth Proportional to 80,523.12, 111,104.01 and 48,691.35

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Solution

The fourth proportional to 80,523.12, 111,104.01 and 48,691.35 is: 67,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,523.12 : 111,104.01 = 48,691.35 : x
  2. Step 2: Convert to fraction form
    80,523.12/111,104.01 = 48,691.35/x
  3. Step 3: Cross multiply
    80,523.12x = 111,104.01 × 48,691.35
  4. Step 4: Simplify right side
    80,523.12x = 5,409,804,237.31
  5. Step 5: Solve for x
    x = 5,409,804,237.31/80,523.12
  6. Step 6: Final answer
    x = 67,183.24

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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.