Home / 80,539.26-111,145.66-44,732.60

Finding the Fourth Proportional to 80,539.26, 111,145.66 and 44,732.60

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Solution

The fourth proportional to 80,539.26, 111,145.66 and 44,732.60 is: 61,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,539.26 : 111,145.66 = 44,732.60 : x
  2. Step 2: Convert to fraction form
    80,539.26/111,145.66 = 44,732.60/x
  3. Step 3: Cross multiply
    80,539.26x = 111,145.66 × 44,732.60
  4. Step 4: Simplify right side
    80,539.26x = 4,971,834,350.52
  5. Step 5: Solve for x
    x = 4,971,834,350.52/80,539.26
  6. Step 6: Final answer
    x = 61,731.81

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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.