Home / 77,144.82-115,728.30-23,841.47

Finding the Fourth Proportional to 77,144.82, 115,728.30 and 23,841.47

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Solution

The fourth proportional to 77,144.82, 115,728.30 and 23,841.47 is: 35,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,144.82 : 115,728.30 = 23,841.47 : x
  2. Step 2: Convert to fraction form
    77,144.82/115,728.30 = 23,841.47/x
  3. Step 3: Cross multiply
    77,144.82x = 115,728.30 × 23,841.47
  4. Step 4: Simplify right side
    77,144.82x = 2,759,132,213.96
  5. Step 5: Solve for x
    x = 2,759,132,213.96/77,144.82
  6. Step 6: Final answer
    x = 35,765.62

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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.