Home / 90,652.44-125,108.82-54,851.28

Finding the Fourth Proportional to 90,652.44, 125,108.82 and 54,851.28

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Solution

The fourth proportional to 90,652.44, 125,108.82 and 54,851.28 is: 75,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,652.44 : 125,108.82 = 54,851.28 : x
  2. Step 2: Convert to fraction form
    90,652.44/125,108.82 = 54,851.28/x
  3. Step 3: Cross multiply
    90,652.44x = 125,108.82 × 54,851.28
  4. Step 4: Simplify right side
    90,652.44x = 6,862,378,916.29
  5. Step 5: Solve for x
    x = 6,862,378,916.29/90,652.44
  6. Step 6: Final answer
    x = 75,699.88

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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.