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Finding the Fourth Proportional to 73,266.48, 109,900.20 and 26,521.20

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Solution

The fourth proportional to 73,266.48, 109,900.20 and 26,521.20 is: 39,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,266.48 : 109,900.20 = 26,521.20 : x
  2. Step 2: Convert to fraction form
    73,266.48/109,900.20 = 26,521.20/x
  3. Step 3: Cross multiply
    73,266.48x = 109,900.20 × 26,521.20
  4. Step 4: Simplify right side
    73,266.48x = 2,914,685,184.24
  5. Step 5: Solve for x
    x = 2,914,685,184.24/73,266.48
  6. Step 6: Final answer
    x = 39,781.97

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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.