Home / 110,876.06-166,419.24-68,628.35

Finding the Fourth Proportional to 110,876.06, 166,419.24 and 68,628.35

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Solution

The fourth proportional to 110,876.06, 166,419.24 and 68,628.35 is: 103,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,876.06 : 166,419.24 = 68,628.35 : x
  2. Step 2: Convert to fraction form
    110,876.06/166,419.24 = 68,628.35/x
  3. Step 3: Cross multiply
    110,876.06x = 166,419.24 × 68,628.35
  4. Step 4: Simplify right side
    110,876.06x = 11,421,077,849.45
  5. Step 5: Solve for x
    x = 11,421,077,849.45/110,876.06
  6. Step 6: Final answer
    x = 103,007.61

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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.