Home / 54,932.72-82,372.20-38,300.72

Finding the Fourth Proportional to 54,932.72, 82,372.20 and 38,300.72

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Solution

The fourth proportional to 54,932.72, 82,372.20 and 38,300.72 is: 57,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,932.72 : 82,372.20 = 38,300.72 : x
  2. Step 2: Convert to fraction form
    54,932.72/82,372.20 = 38,300.72/x
  3. Step 3: Cross multiply
    54,932.72x = 82,372.20 × 38,300.72
  4. Step 4: Simplify right side
    54,932.72x = 3,154,914,567.98
  5. Step 5: Solve for x
    x = 3,154,914,567.98/54,932.72
  6. Step 6: Final answer
    x = 57,432.34

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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.