Home / 80,535.06-111,148.20-48,713.40

Finding the Fourth Proportional to 80,535.06, 111,148.20 and 48,713.40

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Solution

The fourth proportional to 80,535.06, 111,148.20 and 48,713.40 is: 67,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,535.06 : 111,148.20 = 48,713.40 : x
  2. Step 2: Convert to fraction form
    80,535.06/111,148.20 = 48,713.40/x
  3. Step 3: Cross multiply
    80,535.06x = 111,148.20 × 48,713.40
  4. Step 4: Simplify right side
    80,535.06x = 5,414,406,725.88
  5. Step 5: Solve for x
    x = 5,414,406,725.88/80,535.06
  6. Step 6: Final answer
    x = 67,230.43

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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.