Home / 68,717.45-103,043.57-26,617.25

Finding the Fourth Proportional to 68,717.45, 103,043.57 and 26,617.25

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Solution

The fourth proportional to 68,717.45, 103,043.57 and 26,617.25 is: 39,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,717.45 : 103,043.57 = 26,617.25 : x
  2. Step 2: Convert to fraction form
    68,717.45/103,043.57 = 26,617.25/x
  3. Step 3: Cross multiply
    68,717.45x = 103,043.57 × 26,617.25
  4. Step 4: Simplify right side
    68,717.45x = 2,742,735,815.28
  5. Step 5: Solve for x
    x = 2,742,735,815.28/68,717.45
  6. Step 6: Final answer
    x = 39,913.24

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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.