Home / 80,532.16-111,139.37-44,722.42

Finding the Fourth Proportional to 80,532.16, 111,139.37 and 44,722.42

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Solution

The fourth proportional to 80,532.16, 111,139.37 and 44,722.42 is: 61,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.16 : 111,139.37 = 44,722.42 : x
  2. Step 2: Convert to fraction form
    80,532.16/111,139.37 = 44,722.42/x
  3. Step 3: Cross multiply
    80,532.16x = 111,139.37 × 44,722.42
  4. Step 4: Simplify right side
    80,532.16x = 4,970,421,583.68
  5. Step 5: Solve for x
    x = 4,970,421,583.68/80,532.16
  6. Step 6: Final answer
    x = 61,719.71

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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.