Home / 72,694.27-109,041.26-22,778.19

Finding the Fourth Proportional to 72,694.27, 109,041.26 and 22,778.19

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Solution

The fourth proportional to 72,694.27, 109,041.26 and 22,778.19 is: 34,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,694.27 : 109,041.26 = 22,778.19 : x
  2. Step 2: Convert to fraction form
    72,694.27/109,041.26 = 22,778.19/x
  3. Step 3: Cross multiply
    72,694.27x = 109,041.26 × 22,778.19
  4. Step 4: Simplify right side
    72,694.27x = 2,483,761,992.91
  5. Step 5: Solve for x
    x = 2,483,761,992.91/72,694.27
  6. Step 6: Final answer
    x = 34,167.23

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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.