Home / 69,140.97-95,426.19-40,065

Finding the Fourth Proportional to 69,140.97, 95,426.19 and 40,065

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Solution

The fourth proportional to 69,140.97, 95,426.19 and 40,065 is: 55,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,140.97 : 95,426.19 = 40,065 : x
  2. Step 2: Convert to fraction form
    69,140.97/95,426.19 = 40,065/x
  3. Step 3: Cross multiply
    69,140.97x = 95,426.19 × 40,065
  4. Step 4: Simplify right side
    69,140.97x = 3,823,250,302.35
  5. Step 5: Solve for x
    x = 3,823,250,302.35/69,140.97
  6. Step 6: Final answer
    x = 55,296.45

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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.