Home / 49,447.12-74,114.16-17,842.72

Finding the Fourth Proportional to 49,447.12, 74,114.16 and 17,842.72

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Solution

The fourth proportional to 49,447.12, 74,114.16 and 17,842.72 is: 26,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,447.12 : 74,114.16 = 17,842.72 : x
  2. Step 2: Convert to fraction form
    49,447.12/74,114.16 = 17,842.72/x
  3. Step 3: Cross multiply
    49,447.12x = 74,114.16 × 17,842.72
  4. Step 4: Simplify right side
    49,447.12x = 1,322,398,204.92
  5. Step 5: Solve for x
    x = 1,322,398,204.92/49,447.12
  6. Step 6: Final answer
    x = 26,743.69

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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.