Home / 80,439.24-111,001.14-48,589.32

Finding the Fourth Proportional to 80,439.24, 111,001.14 and 48,589.32

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Solution

The fourth proportional to 80,439.24, 111,001.14 and 48,589.32 is: 67,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,439.24 : 111,001.14 = 48,589.32 : x
  2. Step 2: Convert to fraction form
    80,439.24/111,001.14 = 48,589.32/x
  3. Step 3: Cross multiply
    80,439.24x = 111,001.14 × 48,589.32
  4. Step 4: Simplify right side
    80,439.24x = 5,393,469,911.82
  5. Step 5: Solve for x
    x = 5,393,469,911.82/80,439.24
  6. Step 6: Final answer
    x = 67,050.23

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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.