Home / 117,060.38-161,543.22-66,083.84

Finding the Fourth Proportional to 117,060.38, 161,543.22 and 66,083.84

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Solution

The fourth proportional to 117,060.38, 161,543.22 and 66,083.84 is: 91,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,060.38 : 161,543.22 = 66,083.84 : x
  2. Step 2: Convert to fraction form
    117,060.38/161,543.22 = 66,083.84/x
  3. Step 3: Cross multiply
    117,060.38x = 161,543.22 × 66,083.84
  4. Step 4: Simplify right side
    117,060.38x = 10,675,396,303.56
  5. Step 5: Solve for x
    x = 10,675,396,303.56/117,060.38
  6. Step 6: Final answer
    x = 91,195.64

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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.