Home / 54,279.10-81,418.65-45,063.10

Finding the Fourth Proportional to 54,279.10, 81,418.65 and 45,063.10

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Solution

The fourth proportional to 54,279.10, 81,418.65 and 45,063.10 is: 67,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.10 : 81,418.65 = 45,063.10 : x
  2. Step 2: Convert to fraction form
    54,279.10/81,418.65 = 45,063.10/x
  3. Step 3: Cross multiply
    54,279.10x = 81,418.65 × 45,063.10
  4. Step 4: Simplify right side
    54,279.10x = 3,668,976,766.82
  5. Step 5: Solve for x
    x = 3,668,976,766.82/54,279.10
  6. Step 6: Final answer
    x = 67,594.65

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1.5x scale

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.