Home / 80,593.21-111,213.52-44,781.13

Finding the Fourth Proportional to 80,593.21, 111,213.52 and 44,781.13

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Solution

The fourth proportional to 80,593.21, 111,213.52 and 44,781.13 is: 61,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,593.21 : 111,213.52 = 44,781.13 : x
  2. Step 2: Convert to fraction form
    80,593.21/111,213.52 = 44,781.13/x
  3. Step 3: Cross multiply
    80,593.21x = 111,213.52 × 44,781.13
  4. Step 4: Simplify right side
    80,593.21x = 4,980,267,096.88
  5. Step 5: Solve for x
    x = 4,980,267,096.88/80,593.21
  6. Step 6: Final answer
    x = 61,795.12

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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.