Home / 112,933.76-169,174.77-67,930.26

Finding the Fourth Proportional to 112,933.76, 169,174.77 and 67,930.26

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Solution

The fourth proportional to 112,933.76, 169,174.77 and 67,930.26 is: 101,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,933.76 : 169,174.77 = 67,930.26 : x
  2. Step 2: Convert to fraction form
    112,933.76/169,174.77 = 67,930.26/x
  3. Step 3: Cross multiply
    112,933.76x = 169,174.77 × 67,930.26
  4. Step 4: Simplify right side
    112,933.76x = 11,492,086,111.54
  5. Step 5: Solve for x
    x = 11,492,086,111.54/112,933.76
  6. Step 6: Final answer
    x = 101,759.53

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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.