Home / 80,680.66-111,330.78-44,864.88

Finding the Fourth Proportional to 80,680.66, 111,330.78 and 44,864.88

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Solution

The fourth proportional to 80,680.66, 111,330.78 and 44,864.88 is: 61,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.66 : 111,330.78 = 44,864.88 : x
  2. Step 2: Convert to fraction form
    80,680.66/111,330.78 = 44,864.88/x
  3. Step 3: Cross multiply
    80,680.66x = 111,330.78 × 44,864.88
  4. Step 4: Simplify right side
    80,680.66x = 4,994,842,085.01
  5. Step 5: Solve for x
    x = 4,994,842,085.01/80,680.66
  6. Step 6: Final answer
    x = 61,908.79

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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.