Home / 55,043.20-75,959.36-29,892.48

Finding the Fourth Proportional to 55,043.20, 75,959.36 and 29,892.48

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Solution

The fourth proportional to 55,043.20, 75,959.36 and 29,892.48 is: 41,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,043.20 : 75,959.36 = 29,892.48 : x
  2. Step 2: Convert to fraction form
    55,043.20/75,959.36 = 29,892.48/x
  3. Step 3: Cross multiply
    55,043.20x = 75,959.36 × 29,892.48
  4. Step 4: Simplify right side
    55,043.20x = 2,270,613,649.61
  5. Step 5: Solve for x
    x = 2,270,613,649.61/55,043.20
  6. Step 6: Final answer
    x = 41,251.48

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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.