Home / 68,891.50-103,343.78-26,774.83

Finding the Fourth Proportional to 68,891.50, 103,343.78 and 26,774.83

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Solution

The fourth proportional to 68,891.50, 103,343.78 and 26,774.83 is: 40,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,891.50 : 103,343.78 = 26,774.83 : x
  2. Step 2: Convert to fraction form
    68,891.50/103,343.78 = 26,774.83/x
  3. Step 3: Cross multiply
    68,891.50x = 103,343.78 × 26,774.83
  4. Step 4: Simplify right side
    68,891.50x = 2,767,012,141.06
  5. Step 5: Solve for x
    x = 2,767,012,141.06/68,891.50
  6. Step 6: Final answer
    x = 40,164.78

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1.5x scale

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.