Home / 80,765.22-111,451.64-44,459.59

Finding the Fourth Proportional to 80,765.22, 111,451.64 and 44,459.59

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Solution

The fourth proportional to 80,765.22, 111,451.64 and 44,459.59 is: 61,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,765.22 : 111,451.64 = 44,459.59 : x
  2. Step 2: Convert to fraction form
    80,765.22/111,451.64 = 44,459.59/x
  3. Step 3: Cross multiply
    80,765.22x = 111,451.64 × 44,459.59
  4. Step 4: Simplify right side
    80,765.22x = 4,955,094,136.24
  5. Step 5: Solve for x
    x = 4,955,094,136.24/80,765.22
  6. Step 6: Final answer
    x = 61,351.83

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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.