Home / 54,159.50-81,279.16-25,696.55

Finding the Fourth Proportional to 54,159.50, 81,279.16 and 25,696.55

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Solution

The fourth proportional to 54,159.50, 81,279.16 and 25,696.55 is: 38,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.50 : 81,279.16 = 25,696.55 : x
  2. Step 2: Convert to fraction form
    54,159.50/81,279.16 = 25,696.55/x
  3. Step 3: Cross multiply
    54,159.50x = 81,279.16 × 25,696.55
  4. Step 4: Simplify right side
    54,159.50x = 2,088,594,137.85
  5. Step 5: Solve for x
    x = 2,088,594,137.85/54,159.50
  6. Step 6: Final answer
    x = 38,563.76

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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.