Home / 113,642.06-170,512.25-60,990.03

Finding the Fourth Proportional to 113,642.06, 170,512.25 and 60,990.03

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Solution

The fourth proportional to 113,642.06, 170,512.25 and 60,990.03 is: 91,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,642.06 : 170,512.25 = 60,990.03 : x
  2. Step 2: Convert to fraction form
    113,642.06/170,512.25 = 60,990.03/x
  3. Step 3: Cross multiply
    113,642.06x = 170,512.25 × 60,990.03
  4. Step 4: Simplify right side
    113,642.06x = 10,399,546,937.92
  5. Step 5: Solve for x
    x = 10,399,546,937.92/113,642.06
  6. Step 6: Final answer
    x = 91,511.43

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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.