Home / 83,851.36-125,500.64-45,842.56

Finding the Fourth Proportional to 83,851.36, 125,500.64 and 45,842.56

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Solution

The fourth proportional to 83,851.36, 125,500.64 and 45,842.56 is: 68,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,851.36 : 125,500.64 = 45,842.56 : x
  2. Step 2: Convert to fraction form
    83,851.36/125,500.64 = 45,842.56/x
  3. Step 3: Cross multiply
    83,851.36x = 125,500.64 × 45,842.56
  4. Step 4: Simplify right side
    83,851.36x = 5,753,270,619.24
  5. Step 5: Solve for x
    x = 5,753,270,619.24/83,851.36
  6. Step 6: Final answer
    x = 68,612.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.