Home / 80,087.20-110,518.68-44,278.72

Finding the Fourth Proportional to 80,087.20, 110,518.68 and 44,278.72

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Solution

The fourth proportional to 80,087.20, 110,518.68 and 44,278.72 is: 61,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,087.20 : 110,518.68 = 44,278.72 : x
  2. Step 2: Convert to fraction form
    80,087.20/110,518.68 = 44,278.72/x
  3. Step 3: Cross multiply
    80,087.20x = 110,518.68 × 44,278.72
  4. Step 4: Simplify right side
    80,087.20x = 4,893,625,686.49
  5. Step 5: Solve for x
    x = 4,893,625,686.49/80,087.20
  6. Step 6: Final answer
    x = 61,103.72

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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.