Home / 117,340.85-161,958.38-69,621.86

Finding the Fourth Proportional to 117,340.85, 161,958.38 and 69,621.86

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Solution

The fourth proportional to 117,340.85, 161,958.38 and 69,621.86 is: 96,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,340.85 : 161,958.38 = 69,621.86 : x
  2. Step 2: Convert to fraction form
    117,340.85/161,958.38 = 69,621.86/x
  3. Step 3: Cross multiply
    117,340.85x = 161,958.38 × 69,621.86
  4. Step 4: Simplify right side
    117,340.85x = 11,275,842,500.29
  5. Step 5: Solve for x
    x = 11,275,842,500.29/117,340.85
  6. Step 6: Final answer
    x = 96,094.78

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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.