Home / 71,512.26-107,204.59-27,108.87

Finding the Fourth Proportional to 71,512.26, 107,204.59 and 27,108.87

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Solution

The fourth proportional to 71,512.26, 107,204.59 and 27,108.87 is: 40,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,512.26 : 107,204.59 = 27,108.87 : x
  2. Step 2: Convert to fraction form
    71,512.26/107,204.59 = 27,108.87/x
  3. Step 3: Cross multiply
    71,512.26x = 107,204.59 × 27,108.87
  4. Step 4: Simplify right side
    71,512.26x = 2,906,195,293.71
  5. Step 5: Solve for x
    x = 2,906,195,293.71/71,512.26
  6. Step 6: Final answer
    x = 40,639.12

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1.5x scale

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.