Home / 79,091.26-109,145.78-43,281.26

Finding the Fourth Proportional to 79,091.26, 109,145.78 and 43,281.26

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Solution

The fourth proportional to 79,091.26, 109,145.78 and 43,281.26 is: 59,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,091.26 : 109,145.78 = 43,281.26 : x
  2. Step 2: Convert to fraction form
    79,091.26/109,145.78 = 43,281.26/x
  3. Step 3: Cross multiply
    79,091.26x = 109,145.78 × 43,281.26
  4. Step 4: Simplify right side
    79,091.26x = 4,723,966,665.68
  5. Step 5: Solve for x
    x = 4,723,966,665.68/79,091.26
  6. Step 6: Final answer
    x = 59,728.05

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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.