Home / 117,235.86-161,767.17-69,481.50

Finding the Fourth Proportional to 117,235.86, 161,767.17 and 69,481.50

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Solution

The fourth proportional to 117,235.86, 161,767.17 and 69,481.50 is: 95,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,235.86 : 161,767.17 = 69,481.50 : x
  2. Step 2: Convert to fraction form
    117,235.86/161,767.17 = 69,481.50/x
  3. Step 3: Cross multiply
    117,235.86x = 161,767.17 × 69,481.50
  4. Step 4: Simplify right side
    117,235.86x = 11,239,825,622.36
  5. Step 5: Solve for x
    x = 11,239,825,622.36/117,235.86
  6. Step 6: Final answer
    x = 95,873.61

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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.