Home / 80,655.12-111,304.17-44,844.75

Finding the Fourth Proportional to 80,655.12, 111,304.17 and 44,844.75

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Solution

The fourth proportional to 80,655.12, 111,304.17 and 44,844.75 is: 61,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,655.12 : 111,304.17 = 44,844.75 : x
  2. Step 2: Convert to fraction form
    80,655.12/111,304.17 = 44,844.75/x
  3. Step 3: Cross multiply
    80,655.12x = 111,304.17 × 44,844.75
  4. Step 4: Simplify right side
    80,655.12x = 4,991,407,677.61
  5. Step 5: Solve for x
    x = 4,991,407,677.61/80,655.12
  6. Step 6: Final answer
    x = 61,885.81

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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.