Home / 79,302.06-109,435.82-45,310.29

Finding the Fourth Proportional to 79,302.06, 109,435.82 and 45,310.29

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Solution

The fourth proportional to 79,302.06, 109,435.82 and 45,310.29 is: 62,527.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,302.06 : 109,435.82 = 45,310.29 : x
  2. Step 2: Convert to fraction form
    79,302.06/109,435.82 = 45,310.29/x
  3. Step 3: Cross multiply
    79,302.06x = 109,435.82 × 45,310.29
  4. Step 4: Simplify right side
    79,302.06x = 4,958,568,514.04
  5. Step 5: Solve for x
    x = 4,958,568,514.04/79,302.06
  6. Step 6: Final answer
    x = 62,527.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.