Home / 123,825.24-170,956.98-91,956.60

Finding the Fourth Proportional to 123,825.24, 170,956.98 and 91,956.60

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Solution

The fourth proportional to 123,825.24, 170,956.98 and 91,956.60 is: 126,958.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,825.24 : 170,956.98 = 91,956.60 : x
  2. Step 2: Convert to fraction form
    123,825.24/170,956.98 = 91,956.60/x
  3. Step 3: Cross multiply
    123,825.24x = 170,956.98 × 91,956.60
  4. Step 4: Simplify right side
    123,825.24x = 15,720,622,627.07
  5. Step 5: Solve for x
    x = 15,720,622,627.07/123,825.24
  6. Step 6: Final answer
    x = 126,958.14

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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.