Home / 68,373.05-102,543.17-21,625.92

Finding the Fourth Proportional to 68,373.05, 102,543.17 and 21,625.92

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Solution

The fourth proportional to 68,373.05, 102,543.17 and 21,625.92 is: 32,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373.05 : 102,543.17 = 21,625.92 : x
  2. Step 2: Convert to fraction form
    68,373.05/102,543.17 = 21,625.92/x
  3. Step 3: Cross multiply
    68,373.05x = 102,543.17 × 21,625.92
  4. Step 4: Simplify right side
    68,373.05x = 2,217,590,282.84
  5. Step 5: Solve for x
    x = 2,217,590,282.84/68,373.05
  6. Step 6: Final answer
    x = 32,433.69

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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.