Home / 109,105.88-163,812.06-55,835.96

Finding the Fourth Proportional to 109,105.88, 163,812.06 and 55,835.96

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Solution

The fourth proportional to 109,105.88, 163,812.06 and 55,835.96 is: 83,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,105.88 : 163,812.06 = 55,835.96 : x
  2. Step 2: Convert to fraction form
    109,105.88/163,812.06 = 55,835.96/x
  3. Step 3: Cross multiply
    109,105.88x = 163,812.06 × 55,835.96
  4. Step 4: Simplify right side
    109,105.88x = 9,146,603,629.68
  5. Step 5: Solve for x
    x = 9,146,603,629.68/109,105.88
  6. Step 6: Final answer
    x = 83,832.36

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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.