Home / 68,264.22-102,396.32-21,517.10

Finding the Fourth Proportional to 68,264.22, 102,396.32 and 21,517.10

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Solution

The fourth proportional to 68,264.22, 102,396.32 and 21,517.10 is: 32,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,264.22 : 102,396.32 = 21,517.10 : x
  2. Step 2: Convert to fraction form
    68,264.22/102,396.32 = 21,517.10/x
  3. Step 3: Cross multiply
    68,264.22x = 102,396.32 × 21,517.10
  4. Step 4: Simplify right side
    68,264.22x = 2,203,271,857.07
  5. Step 5: Solve for x
    x = 2,203,271,857.07/68,264.22
  6. Step 6: Final answer
    x = 32,275.65

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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.