Home / 80,532.03-111,139.35-44,722.04

Finding the Fourth Proportional to 80,532.03, 111,139.35 and 44,722.04

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Solution

The fourth proportional to 80,532.03, 111,139.35 and 44,722.04 is: 61,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.03 : 111,139.35 = 44,722.04 : x
  2. Step 2: Convert to fraction form
    80,532.03/111,139.35 = 44,722.04/x
  3. Step 3: Cross multiply
    80,532.03x = 111,139.35 × 44,722.04
  4. Step 4: Simplify right side
    80,532.03x = 4,970,377,900.58
  5. Step 5: Solve for x
    x = 4,970,377,900.58/80,532.03
  6. Step 6: Final answer
    x = 61,719.27

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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.