Home / 80,484.30-111,108.30-50,286.39

Finding the Fourth Proportional to 80,484.30, 111,108.30 and 50,286.39

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Solution

The fourth proportional to 80,484.30, 111,108.30 and 50,286.39 is: 69,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,484.30 : 111,108.30 = 50,286.39 : x
  2. Step 2: Convert to fraction form
    80,484.30/111,108.30 = 50,286.39/x
  3. Step 3: Cross multiply
    80,484.30x = 111,108.30 × 50,286.39
  4. Step 4: Simplify right side
    80,484.30x = 5,587,235,306.04
  5. Step 5: Solve for x
    x = 5,587,235,306.04/80,484.30
  6. Step 6: Final answer
    x = 69,420.19

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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.