Home / 53,194.20-79,694.10-43,279.80

Finding the Fourth Proportional to 53,194.20, 79,694.10 and 43,279.80

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Solution

The fourth proportional to 53,194.20, 79,694.10 and 43,279.80 is: 64,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194.20 : 79,694.10 = 43,279.80 : x
  2. Step 2: Convert to fraction form
    53,194.20/79,694.10 = 43,279.80/x
  3. Step 3: Cross multiply
    53,194.20x = 79,694.10 × 43,279.80
  4. Step 4: Simplify right side
    53,194.20x = 3,449,144,709.18
  5. Step 5: Solve for x
    x = 3,449,144,709.18/53,194.20
  6. Step 6: Final answer
    x = 64,840.62

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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.