Home / 69,302.89-103,965.55-27,160.12

Finding the Fourth Proportional to 69,302.89, 103,965.55 and 27,160.12

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Solution

The fourth proportional to 69,302.89, 103,965.55 and 27,160.12 is: 40,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,302.89 : 103,965.55 = 27,160.12 : x
  2. Step 2: Convert to fraction form
    69,302.89/103,965.55 = 27,160.12/x
  3. Step 3: Cross multiply
    69,302.89x = 103,965.55 × 27,160.12
  4. Step 4: Simplify right side
    69,302.89x = 2,823,716,158.24
  5. Step 5: Solve for x
    x = 2,823,716,158.24/69,302.89
  6. Step 6: Final answer
    x = 40,744.57

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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.