Home / 73,827.78-101,882.30-40,293.78

Finding the Fourth Proportional to 73,827.78, 101,882.30 and 40,293.78

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Solution

The fourth proportional to 73,827.78, 101,882.30 and 40,293.78 is: 55,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,827.78 : 101,882.30 = 40,293.78 : x
  2. Step 2: Convert to fraction form
    73,827.78/101,882.30 = 40,293.78/x
  3. Step 3: Cross multiply
    73,827.78x = 101,882.30 × 40,293.78
  4. Step 4: Simplify right side
    73,827.78x = 4,105,222,982.09
  5. Step 5: Solve for x
    x = 4,105,222,982.09/73,827.78
  6. Step 6: Final answer
    x = 55,605.40

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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.