Home / 86,126.25-129,191.79-23,796.75

Finding the Fourth Proportional to 86,126.25, 129,191.79 and 23,796.75

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Solution

The fourth proportional to 86,126.25, 129,191.79 and 23,796.75 is: 35,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,126.25 : 129,191.79 = 23,796.75 : x
  2. Step 2: Convert to fraction form
    86,126.25/129,191.79 = 23,796.75/x
  3. Step 3: Cross multiply
    86,126.25x = 129,191.79 × 23,796.75
  4. Step 4: Simplify right side
    86,126.25x = 3,074,344,728.68
  5. Step 5: Solve for x
    x = 3,074,344,728.68/86,126.25
  6. Step 6: Final answer
    x = 35,695.79

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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.