Home / 110,031.40-165,047.10-31,144.60

Finding the Fourth Proportional to 110,031.40, 165,047.10 and 31,144.60

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Solution

The fourth proportional to 110,031.40, 165,047.10 and 31,144.60 is: 46,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,031.40 : 165,047.10 = 31,144.60 : x
  2. Step 2: Convert to fraction form
    110,031.40/165,047.10 = 31,144.60/x
  3. Step 3: Cross multiply
    110,031.40x = 165,047.10 × 31,144.60
  4. Step 4: Simplify right side
    110,031.40x = 5,140,325,910.66
  5. Step 5: Solve for x
    x = 5,140,325,910.66/110,031.40
  6. Step 6: Final answer
    x = 46,716.90

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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.