Home / 106,458.54-159,660.57-31,561.17

Finding the Fourth Proportional to 106,458.54, 159,660.57 and 31,561.17

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Solution

The fourth proportional to 106,458.54, 159,660.57 and 31,561.17 is: 47,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,458.54 : 159,660.57 = 31,561.17 : x
  2. Step 2: Convert to fraction form
    106,458.54/159,660.57 = 31,561.17/x
  3. Step 3: Cross multiply
    106,458.54x = 159,660.57 × 31,561.17
  4. Step 4: Simplify right side
    106,458.54x = 5,039,074,392.07
  5. Step 5: Solve for x
    x = 5,039,074,392.07/106,458.54
  6. Step 6: Final answer
    x = 47,333.68

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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.