Home / 54,213.52-81,328.92-16,772.08

Finding the Fourth Proportional to 54,213.52, 81,328.92 and 16,772.08

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Solution

The fourth proportional to 54,213.52, 81,328.92 and 16,772.08 is: 25,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213.52 : 81,328.92 = 16,772.08 : x
  2. Step 2: Convert to fraction form
    54,213.52/81,328.92 = 16,772.08/x
  3. Step 3: Cross multiply
    54,213.52x = 81,328.92 × 16,772.08
  4. Step 4: Simplify right side
    54,213.52x = 1,364,055,152.55
  5. Step 5: Solve for x
    x = 1,364,055,152.55/54,213.52
  6. Step 6: Final answer
    x = 25,160.79

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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.