Home / 75,255.24-112,803.32-27,839.88

Finding the Fourth Proportional to 75,255.24, 112,803.32 and 27,839.88

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Solution

The fourth proportional to 75,255.24, 112,803.32 and 27,839.88 is: 41,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.24 : 112,803.32 = 27,839.88 : x
  2. Step 2: Convert to fraction form
    75,255.24/112,803.32 = 27,839.88/x
  3. Step 3: Cross multiply
    75,255.24x = 112,803.32 × 27,839.88
  4. Step 4: Simplify right side
    75,255.24x = 3,140,430,753.20
  5. Step 5: Solve for x
    x = 3,140,430,753.20/75,255.24
  6. Step 6: Final answer
    x = 41,730.39

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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.