Home / 68,858.10-103,301.55-22,115.70

Finding the Fourth Proportional to 68,858.10, 103,301.55 and 22,115.70

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Solution

The fourth proportional to 68,858.10, 103,301.55 and 22,115.70 is: 33,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,858.10 : 103,301.55 = 22,115.70 : x
  2. Step 2: Convert to fraction form
    68,858.10/103,301.55 = 22,115.70/x
  3. Step 3: Cross multiply
    68,858.10x = 103,301.55 × 22,115.70
  4. Step 4: Simplify right side
    68,858.10x = 2,284,586,089.34
  5. Step 5: Solve for x
    x = 2,284,586,089.34/68,858.10
  6. Step 6: Final answer
    x = 33,178.17

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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.