Home / 71,935.26-99,273.51-40,109.82

Finding the Fourth Proportional to 71,935.26, 99,273.51 and 40,109.82

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Solution

The fourth proportional to 71,935.26, 99,273.51 and 40,109.82 is: 55,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935.26 : 99,273.51 = 40,109.82 : x
  2. Step 2: Convert to fraction form
    71,935.26/99,273.51 = 40,109.82/x
  3. Step 3: Cross multiply
    71,935.26x = 99,273.51 × 40,109.82
  4. Step 4: Simplify right side
    71,935.26x = 3,981,842,616.87
  5. Step 5: Solve for x
    x = 3,981,842,616.87/71,935.26
  6. Step 6: Final answer
    x = 55,353.14

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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.