Home / 80,708.45-111,377.13-44,412.11

Finding the Fourth Proportional to 80,708.45, 111,377.13 and 44,412.11

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Solution

The fourth proportional to 80,708.45, 111,377.13 and 44,412.11 is: 61,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,708.45 : 111,377.13 = 44,412.11 : x
  2. Step 2: Convert to fraction form
    80,708.45/111,377.13 = 44,412.11/x
  3. Step 3: Cross multiply
    80,708.45x = 111,377.13 × 44,412.11
  4. Step 4: Simplify right side
    80,708.45x = 4,946,493,043.28
  5. Step 5: Solve for x
    x = 4,946,493,043.28/80,708.45
  6. Step 6: Final answer
    x = 61,288.42

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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.