Home / 49,551.20-74,326.56-12,111.48

Finding the Fourth Proportional to 49,551.20, 74,326.56 and 12,111.48

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Solution

The fourth proportional to 49,551.20, 74,326.56 and 12,111.48 is: 18,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,551.20 : 74,326.56 = 12,111.48 : x
  2. Step 2: Convert to fraction form
    49,551.20/74,326.56 = 12,111.48/x
  3. Step 3: Cross multiply
    49,551.20x = 74,326.56 × 12,111.48
  4. Step 4: Simplify right side
    49,551.20x = 900,204,644.91
  5. Step 5: Solve for x
    x = 900,204,644.91/49,551.20
  6. Step 6: Final answer
    x = 18,167.16

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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.