Home / 80,722.29-111,550.38-60,544.14

Finding the Fourth Proportional to 80,722.29, 111,550.38 and 60,544.14

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Solution

The fourth proportional to 80,722.29, 111,550.38 and 60,544.14 is: 83,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,722.29 : 111,550.38 = 60,544.14 : x
  2. Step 2: Convert to fraction form
    80,722.29/111,550.38 = 60,544.14/x
  3. Step 3: Cross multiply
    80,722.29x = 111,550.38 × 60,544.14
  4. Step 4: Simplify right side
    80,722.29x = 6,753,721,823.77
  5. Step 5: Solve for x
    x = 6,753,721,823.77/80,722.29
  6. Step 6: Final answer
    x = 83,666.13

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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.