Home / 80,772.24-111,446.46-60,677.07

Finding the Fourth Proportional to 80,772.24, 111,446.46 and 60,677.07

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Solution

The fourth proportional to 80,772.24, 111,446.46 and 60,677.07 is: 83,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,772.24 : 111,446.46 = 60,677.07 : x
  2. Step 2: Convert to fraction form
    80,772.24/111,446.46 = 60,677.07/x
  3. Step 3: Cross multiply
    80,772.24x = 111,446.46 × 60,677.07
  4. Step 4: Simplify right side
    80,772.24x = 6,762,244,654.67
  5. Step 5: Solve for x
    x = 6,762,244,654.67/80,772.24
  6. Step 6: Final answer
    x = 83,719.91

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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.