Home / 80,956.16-111,714.24-45,144.08

Finding the Fourth Proportional to 80,956.16, 111,714.24 and 45,144.08

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Solution

The fourth proportional to 80,956.16, 111,714.24 and 45,144.08 is: 62,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,956.16 : 111,714.24 = 45,144.08 : x
  2. Step 2: Convert to fraction form
    80,956.16/111,714.24 = 45,144.08/x
  3. Step 3: Cross multiply
    80,956.16x = 111,714.24 × 45,144.08
  4. Step 4: Simplify right side
    80,956.16x = 5,043,236,587.70
  5. Step 5: Solve for x
    x = 5,043,236,587.70/80,956.16
  6. Step 6: Final answer
    x = 62,295.90

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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.