Home / 68,345.22-102,517.18-21,598.08

Finding the Fourth Proportional to 68,345.22, 102,517.18 and 21,598.08

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Solution

The fourth proportional to 68,345.22, 102,517.18 and 21,598.08 is: 32,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,345.22 : 102,517.18 = 21,598.08 : x
  2. Step 2: Convert to fraction form
    68,345.22/102,517.18 = 21,598.08/x
  3. Step 3: Cross multiply
    68,345.22x = 102,517.18 × 21,598.08
  4. Step 4: Simplify right side
    68,345.22x = 2,214,174,255.01
  5. Step 5: Solve for x
    x = 2,214,174,255.01/68,345.22
  6. Step 6: Final answer
    x = 32,396.91

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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.