Home / 115,670.43-173,604.06-82,471.77

Finding the Fourth Proportional to 115,670.43, 173,604.06 and 82,471.77

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Solution

The fourth proportional to 115,670.43, 173,604.06 and 82,471.77 is: 123,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,670.43 : 173,604.06 = 82,471.77 : x
  2. Step 2: Convert to fraction form
    115,670.43/173,604.06 = 82,471.77/x
  3. Step 3: Cross multiply
    115,670.43x = 173,604.06 × 82,471.77
  4. Step 4: Simplify right side
    115,670.43x = 14,317,434,107.39
  5. Step 5: Solve for x
    x = 14,317,434,107.39/115,670.43
  6. Step 6: Final answer
    x = 123,777.82

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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.