Home / 71,836.62-99,127.44-40,008.48

Finding the Fourth Proportional to 71,836.62, 99,127.44 and 40,008.48

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Solution

The fourth proportional to 71,836.62, 99,127.44 and 40,008.48 is: 55,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,836.62 : 99,127.44 = 40,008.48 : x
  2. Step 2: Convert to fraction form
    71,836.62/99,127.44 = 40,008.48/x
  3. Step 3: Cross multiply
    71,836.62x = 99,127.44 × 40,008.48
  4. Step 4: Simplify right side
    71,836.62x = 3,965,938,200.69
  5. Step 5: Solve for x
    x = 3,965,938,200.69/71,836.62
  6. Step 6: Final answer
    x = 55,207.75

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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.