Home / 55,581.17-83,380.46-18,132.59

Finding the Fourth Proportional to 55,581.17, 83,380.46 and 18,132.59

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Solution

The fourth proportional to 55,581.17, 83,380.46 and 18,132.59 is: 27,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.17 : 83,380.46 = 18,132.59 : x
  2. Step 2: Convert to fraction form
    55,581.17/83,380.46 = 18,132.59/x
  3. Step 3: Cross multiply
    55,581.17x = 83,380.46 × 18,132.59
  4. Step 4: Simplify right side
    55,581.17x = 1,511,903,187.63
  5. Step 5: Solve for x
    x = 1,511,903,187.63/55,581.17
  6. Step 6: Final answer
    x = 27,201.72

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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.