Home / 77,002.43-115,504.31-27,082.89

Finding the Fourth Proportional to 77,002.43, 115,504.31 and 27,082.89

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Solution

The fourth proportional to 77,002.43, 115,504.31 and 27,082.89 is: 40,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,002.43 : 115,504.31 = 27,082.89 : x
  2. Step 2: Convert to fraction form
    77,002.43/115,504.31 = 27,082.89/x
  3. Step 3: Cross multiply
    77,002.43x = 115,504.31 × 27,082.89
  4. Step 4: Simplify right side
    77,002.43x = 3,128,190,589.96
  5. Step 5: Solve for x
    x = 3,128,190,589.96/77,002.43
  6. Step 6: Final answer
    x = 40,624.57

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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.