Home / 87,074.24-120,172.38-58,837.64

Finding the Fourth Proportional to 87,074.24, 120,172.38 and 58,837.64

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Solution

The fourth proportional to 87,074.24, 120,172.38 and 58,837.64 is: 81,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,074.24 : 120,172.38 = 58,837.64 : x
  2. Step 2: Convert to fraction form
    87,074.24/120,172.38 = 58,837.64/x
  3. Step 3: Cross multiply
    87,074.24x = 120,172.38 × 58,837.64
  4. Step 4: Simplify right side
    87,074.24x = 7,070,659,232.38
  5. Step 5: Solve for x
    x = 7,070,659,232.38/87,074.24
  6. Step 6: Final answer
    x = 81,202.65

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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.