Home / 110,355.12-165,514.10-31,450.59

Finding the Fourth Proportional to 110,355.12, 165,514.10 and 31,450.59

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Solution

The fourth proportional to 110,355.12, 165,514.10 and 31,450.59 is: 47,170.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,355.12 : 165,514.10 = 31,450.59 : x
  2. Step 2: Convert to fraction form
    110,355.12/165,514.10 = 31,450.59/x
  3. Step 3: Cross multiply
    110,355.12x = 165,514.10 × 31,450.59
  4. Step 4: Simplify right side
    110,355.12x = 5,205,515,941.07
  5. Step 5: Solve for x
    x = 5,205,515,941.07/110,355.12
  6. Step 6: Final answer
    x = 47,170.59

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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.