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Finding the Fourth Proportional to 73,227.90, 109,809.45 and 33,764.70

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Solution

The fourth proportional to 73,227.90, 109,809.45 and 33,764.70 is: 50,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,227.90 : 109,809.45 = 33,764.70 : x
  2. Step 2: Convert to fraction form
    73,227.90/109,809.45 = 33,764.70/x
  3. Step 3: Cross multiply
    73,227.90x = 109,809.45 × 33,764.70
  4. Step 4: Simplify right side
    73,227.90x = 3,707,683,136.42
  5. Step 5: Solve for x
    x = 3,707,683,136.42/73,227.90
  6. Step 6: Final answer
    x = 50,632.11

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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.