Home / 69,187.45-103,711.82-27,009.53

Finding the Fourth Proportional to 69,187.45, 103,711.82 and 27,009.53

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Solution

The fourth proportional to 69,187.45, 103,711.82 and 27,009.53 is: 40,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,187.45 : 103,711.82 = 27,009.53 : x
  2. Step 2: Convert to fraction form
    69,187.45/103,711.82 = 27,009.53/x
  3. Step 3: Cross multiply
    69,187.45x = 103,711.82 × 27,009.53
  4. Step 4: Simplify right side
    69,187.45x = 2,801,207,513.64
  5. Step 5: Solve for x
    x = 2,801,207,513.64/69,187.45
  6. Step 6: Final answer
    x = 40,487.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.