Home / 71,936.28-99,270.02-40,104.52

Finding the Fourth Proportional to 71,936.28, 99,270.02 and 40,104.52

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Solution

The fourth proportional to 71,936.28, 99,270.02 and 40,104.52 is: 55,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,936.28 : 99,270.02 = 40,104.52 : x
  2. Step 2: Convert to fraction form
    71,936.28/99,270.02 = 40,104.52/x
  3. Step 3: Cross multiply
    71,936.28x = 99,270.02 × 40,104.52
  4. Step 4: Simplify right side
    71,936.28x = 3,981,176,502.49
  5. Step 5: Solve for x
    x = 3,981,176,502.49/71,936.28
  6. Step 6: Final answer
    x = 55,343.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.