Home / 48,487.56-72,732.72-13,427.04

Finding the Fourth Proportional to 48,487.56, 72,732.72 and 13,427.04

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Solution

The fourth proportional to 48,487.56, 72,732.72 and 13,427.04 is: 20,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,487.56 : 72,732.72 = 13,427.04 : x
  2. Step 2: Convert to fraction form
    48,487.56/72,732.72 = 13,427.04/x
  3. Step 3: Cross multiply
    48,487.56x = 72,732.72 × 13,427.04
  4. Step 4: Simplify right side
    48,487.56x = 976,585,140.75
  5. Step 5: Solve for x
    x = 976,585,140.75/48,487.56
  6. Step 6: Final answer
    x = 20,140.94

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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.