Home / 49,584.13-74,376.19-12,648.13

Finding the Fourth Proportional to 49,584.13, 74,376.19 and 12,648.13

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Solution

The fourth proportional to 49,584.13, 74,376.19 and 12,648.13 is: 18,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,584.13 : 74,376.19 = 12,648.13 : x
  2. Step 2: Convert to fraction form
    49,584.13/74,376.19 = 12,648.13/x
  3. Step 3: Cross multiply
    49,584.13x = 74,376.19 × 12,648.13
  4. Step 4: Simplify right side
    49,584.13x = 940,719,720.02
  5. Step 5: Solve for x
    x = 940,719,720.02/49,584.13
  6. Step 6: Final answer
    x = 18,972.19

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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.