Home / 80,101.24-110,530-44,286.36

Finding the Fourth Proportional to 80,101.24, 110,530 and 44,286.36

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Solution

The fourth proportional to 80,101.24, 110,530 and 44,286.36 is: 61,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,101.24 : 110,530 = 44,286.36 : x
  2. Step 2: Convert to fraction form
    80,101.24/110,530 = 44,286.36/x
  3. Step 3: Cross multiply
    80,101.24x = 110,530 × 44,286.36
  4. Step 4: Simplify right side
    80,101.24x = 4,894,971,370.80
  5. Step 5: Solve for x
    x = 4,894,971,370.80/80,101.24
  6. Step 6: Final answer
    x = 61,109.81

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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.