Home / 104,025.62-143,489.13-68,217.86

Finding the Fourth Proportional to 104,025.62, 143,489.13 and 68,217.86

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Solution

The fourth proportional to 104,025.62, 143,489.13 and 68,217.86 is: 94,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,025.62 : 143,489.13 = 68,217.86 : x
  2. Step 2: Convert to fraction form
    104,025.62/143,489.13 = 68,217.86/x
  3. Step 3: Cross multiply
    104,025.62x = 143,489.13 × 68,217.86
  4. Step 4: Simplify right side
    104,025.62x = 9,788,521,381.86
  5. Step 5: Solve for x
    x = 9,788,521,381.86/104,025.62
  6. Step 6: Final answer
    x = 94,097.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.