Home / 112,821.20-169,053.77-41,645.90

Finding the Fourth Proportional to 112,821.20, 169,053.77 and 41,645.90

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Solution

The fourth proportional to 112,821.20, 169,053.77 and 41,645.90 is: 62,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,821.20 : 169,053.77 = 41,645.90 : x
  2. Step 2: Convert to fraction form
    112,821.20/169,053.77 = 41,645.90/x
  3. Step 3: Cross multiply
    112,821.20x = 169,053.77 × 41,645.90
  4. Step 4: Simplify right side
    112,821.20x = 7,040,395,658.89
  5. Step 5: Solve for x
    x = 7,040,395,658.89/112,821.20
  6. Step 6: Final answer
    x = 62,403.13

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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.