Home / 106,336.19-159,504.28-31,450.51

Finding the Fourth Proportional to 106,336.19, 159,504.28 and 31,450.51

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Solution

The fourth proportional to 106,336.19, 159,504.28 and 31,450.51 is: 47,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,336.19 : 159,504.28 = 31,450.51 : x
  2. Step 2: Convert to fraction form
    106,336.19/159,504.28 = 31,450.51/x
  3. Step 3: Cross multiply
    106,336.19x = 159,504.28 × 31,450.51
  4. Step 4: Simplify right side
    106,336.19x = 5,016,490,475.80
  5. Step 5: Solve for x
    x = 5,016,490,475.80/106,336.19
  6. Step 6: Final answer
    x = 47,175.76

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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.