Home / 68,788.17-103,164.94-26,653.79

Finding the Fourth Proportional to 68,788.17, 103,164.94 and 26,653.79

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Solution

The fourth proportional to 68,788.17, 103,164.94 and 26,653.79 is: 39,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,788.17 : 103,164.94 = 26,653.79 : x
  2. Step 2: Convert to fraction form
    68,788.17/103,164.94 = 26,653.79/x
  3. Step 3: Cross multiply
    68,788.17x = 103,164.94 × 26,653.79
  4. Step 4: Simplify right side
    68,788.17x = 2,749,736,937.35
  5. Step 5: Solve for x
    x = 2,749,736,937.35/68,788.17
  6. Step 6: Final answer
    x = 39,973.98

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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.