Home / 68,788.06-103,164.77-26,653.66

Finding the Fourth Proportional to 68,788.06, 103,164.77 and 26,653.66

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Solution

The fourth proportional to 68,788.06, 103,164.77 and 26,653.66 is: 39,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,788.06 : 103,164.77 = 26,653.66 : x
  2. Step 2: Convert to fraction form
    68,788.06/103,164.77 = 26,653.66/x
  3. Step 3: Cross multiply
    68,788.06x = 103,164.77 × 26,653.66
  4. Step 4: Simplify right side
    68,788.06x = 2,749,718,570.29
  5. Step 5: Solve for x
    x = 2,749,718,570.29/68,788.06
  6. Step 6: Final answer
    x = 39,973.78

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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.