Home / 68,383.32-102,516.10-26,820.44

Finding the Fourth Proportional to 68,383.32, 102,516.10 and 26,820.44

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Solution

The fourth proportional to 68,383.32, 102,516.10 and 26,820.44 is: 40,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,383.32 : 102,516.10 = 26,820.44 : x
  2. Step 2: Convert to fraction form
    68,383.32/102,516.10 = 26,820.44/x
  3. Step 3: Cross multiply
    68,383.32x = 102,516.10 × 26,820.44
  4. Step 4: Simplify right side
    68,383.32x = 2,749,526,909.08
  5. Step 5: Solve for x
    x = 2,749,526,909.08/68,383.32
  6. Step 6: Final answer
    x = 40,207.57

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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.