Home / 54,754.92-82,132.65-15,315.48

Finding the Fourth Proportional to 54,754.92, 82,132.65 and 15,315.48

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Solution

The fourth proportional to 54,754.92, 82,132.65 and 15,315.48 is: 22,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.92 : 82,132.65 = 15,315.48 : x
  2. Step 2: Convert to fraction form
    54,754.92/82,132.65 = 15,315.48/x
  3. Step 3: Cross multiply
    54,754.92x = 82,132.65 × 15,315.48
  4. Step 4: Simplify right side
    54,754.92x = 1,257,900,958.42
  5. Step 5: Solve for x
    x = 1,257,900,958.42/54,754.92
  6. Step 6: Final answer
    x = 22,973.30

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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.