Home / 116,755.22-161,126.16-69,049.46

Finding the Fourth Proportional to 116,755.22, 161,126.16 and 69,049.46

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Solution

The fourth proportional to 116,755.22, 161,126.16 and 69,049.46 is: 95,290.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,755.22 : 161,126.16 = 69,049.46 : x
  2. Step 2: Convert to fraction form
    116,755.22/161,126.16 = 69,049.46/x
  3. Step 3: Cross multiply
    116,755.22x = 161,126.16 × 69,049.46
  4. Step 4: Simplify right side
    116,755.22x = 11,125,674,339.87
  5. Step 5: Solve for x
    x = 11,125,674,339.87/116,755.22
  6. Step 6: Final answer
    x = 95,290.59

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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.