Home / 68,466.98-102,711.82-21,731.06

Finding the Fourth Proportional to 68,466.98, 102,711.82 and 21,731.06

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Solution

The fourth proportional to 68,466.98, 102,711.82 and 21,731.06 is: 32,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,466.98 : 102,711.82 = 21,731.06 : x
  2. Step 2: Convert to fraction form
    68,466.98/102,711.82 = 21,731.06/x
  3. Step 3: Cross multiply
    68,466.98x = 102,711.82 × 21,731.06
  4. Step 4: Simplify right side
    68,466.98x = 2,232,036,723.13
  5. Step 5: Solve for x
    x = 2,232,036,723.13/68,466.98
  6. Step 6: Final answer
    x = 32,600.19

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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.