Home / 54,481.52-81,720.06-15,037.62

Finding the Fourth Proportional to 54,481.52, 81,720.06 and 15,037.62

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Solution

The fourth proportional to 54,481.52, 81,720.06 and 15,037.62 is: 22,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.52 : 81,720.06 = 15,037.62 : x
  2. Step 2: Convert to fraction form
    54,481.52/81,720.06 = 15,037.62/x
  3. Step 3: Cross multiply
    54,481.52x = 81,720.06 × 15,037.62
  4. Step 4: Simplify right side
    54,481.52x = 1,228,875,208.66
  5. Step 5: Solve for x
    x = 1,228,875,208.66/54,481.52
  6. Step 6: Final answer
    x = 22,555.82

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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.