Home / 74,076.16-102,227.68-40,542.40

Finding the Fourth Proportional to 74,076.16, 102,227.68 and 40,542.40

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Solution

The fourth proportional to 74,076.16, 102,227.68 and 40,542.40 is: 55,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,076.16 : 102,227.68 = 40,542.40 : x
  2. Step 2: Convert to fraction form
    74,076.16/102,227.68 = 40,542.40/x
  3. Step 3: Cross multiply
    74,076.16x = 102,227.68 × 40,542.40
  4. Step 4: Simplify right side
    74,076.16x = 4,144,555,493.63
  5. Step 5: Solve for x
    x = 4,144,555,493.63/74,076.16
  6. Step 6: Final answer
    x = 55,949.92

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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.