Home / 68,531.20-102,782.59-26,396.82

Finding the Fourth Proportional to 68,531.20, 102,782.59 and 26,396.82

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Solution

The fourth proportional to 68,531.20, 102,782.59 and 26,396.82 is: 39,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,531.20 : 102,782.59 = 26,396.82 : x
  2. Step 2: Convert to fraction form
    68,531.20/102,782.59 = 26,396.82/x
  3. Step 3: Cross multiply
    68,531.20x = 102,782.59 × 26,396.82
  4. Step 4: Simplify right side
    68,531.20x = 2,713,133,461.37
  5. Step 5: Solve for x
    x = 2,713,133,461.37/68,531.20
  6. Step 6: Final answer
    x = 39,589.76

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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.