Home / 71,504.08-107,284.34-27,142.61

Finding the Fourth Proportional to 71,504.08, 107,284.34 and 27,142.61

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Solution

The fourth proportional to 71,504.08, 107,284.34 and 27,142.61 is: 40,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,504.08 : 107,284.34 = 27,142.61 : x
  2. Step 2: Convert to fraction form
    71,504.08/107,284.34 = 27,142.61/x
  3. Step 3: Cross multiply
    71,504.08x = 107,284.34 × 27,142.61
  4. Step 4: Simplify right side
    71,504.08x = 2,911,976,327.59
  5. Step 5: Solve for x
    x = 2,911,976,327.59/71,504.08
  6. Step 6: Final answer
    x = 40,724.62

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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.