Home / 68,401.39-102,634.58-47,373.79

Finding the Fourth Proportional to 68,401.39, 102,634.58 and 47,373.79

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Solution

The fourth proportional to 68,401.39, 102,634.58 and 47,373.79 is: 71,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401.39 : 102,634.58 = 47,373.79 : x
  2. Step 2: Convert to fraction form
    68,401.39/102,634.58 = 47,373.79/x
  3. Step 3: Cross multiply
    68,401.39x = 102,634.58 × 47,373.79
  4. Step 4: Simplify right side
    68,401.39x = 4,862,189,039.66
  5. Step 5: Solve for x
    x = 4,862,189,039.66/68,401.39
  6. Step 6: Final answer
    x = 71,083.19

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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.