Home / 54,947.52-82,419.84-15,507.36

Finding the Fourth Proportional to 54,947.52, 82,419.84 and 15,507.36

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Solution

The fourth proportional to 54,947.52, 82,419.84 and 15,507.36 is: 23,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,947.52 : 82,419.84 = 15,507.36 : x
  2. Step 2: Convert to fraction form
    54,947.52/82,419.84 = 15,507.36/x
  3. Step 3: Cross multiply
    54,947.52x = 82,419.84 × 15,507.36
  4. Step 4: Simplify right side
    54,947.52x = 1,278,114,130.02
  5. Step 5: Solve for x
    x = 1,278,114,130.02/54,947.52
  6. Step 6: Final answer
    x = 23,260.63

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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.