Home / 83,664.84-115,450.32-47,849.10

Finding the Fourth Proportional to 83,664.84, 115,450.32 and 47,849.10

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Solution

The fourth proportional to 83,664.84, 115,450.32 and 47,849.10 is: 66,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.84 : 115,450.32 = 47,849.10 : x
  2. Step 2: Convert to fraction form
    83,664.84/115,450.32 = 47,849.10/x
  3. Step 3: Cross multiply
    83,664.84x = 115,450.32 × 47,849.10
  4. Step 4: Simplify right side
    83,664.84x = 5,524,193,906.71
  5. Step 5: Solve for x
    x = 5,524,193,906.71/83,664.84
  6. Step 6: Final answer
    x = 66,027.66

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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.