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Finding the Fourth Proportional to 71,608.62, 107,428.44 and 27,236.22

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Solution

The fourth proportional to 71,608.62, 107,428.44 and 27,236.22 is: 40,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,608.62 : 107,428.44 = 27,236.22 : x
  2. Step 2: Convert to fraction form
    71,608.62/107,428.44 = 27,236.22/x
  3. Step 3: Cross multiply
    71,608.62x = 107,428.44 × 27,236.22
  4. Step 4: Simplify right side
    71,608.62x = 2,925,944,626.10
  5. Step 5: Solve for x
    x = 2,925,944,626.10/71,608.62
  6. Step 6: Final answer
    x = 40,860.23

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1.5x scale

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.