Home / 79,125.22-109,195.38-43,315.23

Finding the Fourth Proportional to 79,125.22, 109,195.38 and 43,315.23

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Solution

The fourth proportional to 79,125.22, 109,195.38 and 43,315.23 is: 59,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,125.22 : 109,195.38 = 43,315.23 : x
  2. Step 2: Convert to fraction form
    79,125.22/109,195.38 = 43,315.23/x
  3. Step 3: Cross multiply
    79,125.22x = 109,195.38 × 43,315.23
  4. Step 4: Simplify right side
    79,125.22x = 4,729,822,999.64
  5. Step 5: Solve for x
    x = 4,729,822,999.64/79,125.22
  6. Step 6: Final answer
    x = 59,776.43

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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.