Home / 79,454.43-109,647.15-43,645.05

Finding the Fourth Proportional to 79,454.43, 109,647.15 and 43,645.05

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Solution

The fourth proportional to 79,454.43, 109,647.15 and 43,645.05 is: 60,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,454.43 : 109,647.15 = 43,645.05 : x
  2. Step 2: Convert to fraction form
    79,454.43/109,647.15 = 43,645.05/x
  3. Step 3: Cross multiply
    79,454.43x = 109,647.15 × 43,645.05
  4. Step 4: Simplify right side
    79,454.43x = 4,785,555,344.11
  5. Step 5: Solve for x
    x = 4,785,555,344.11/79,454.43
  6. Step 6: Final answer
    x = 60,230.19

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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.