Home / 109,911.60-164,851.20-31,033.80

Finding the Fourth Proportional to 109,911.60, 164,851.20 and 31,033.80

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Solution

The fourth proportional to 109,911.60, 164,851.20 and 31,033.80 is: 46,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,911.60 : 164,851.20 = 31,033.80 : x
  2. Step 2: Convert to fraction form
    109,911.60/164,851.20 = 31,033.80/x
  3. Step 3: Cross multiply
    109,911.60x = 164,851.20 × 31,033.80
  4. Step 4: Simplify right side
    109,911.60x = 5,115,959,170.56
  5. Step 5: Solve for x
    x = 5,115,959,170.56/109,911.60
  6. Step 6: Final answer
    x = 46,546.13

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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.