Home / 106,467.26-159,734.14-31,587.77

Finding the Fourth Proportional to 106,467.26, 159,734.14 and 31,587.77

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Solution

The fourth proportional to 106,467.26, 159,734.14 and 31,587.77 is: 47,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,467.26 : 159,734.14 = 31,587.77 : x
  2. Step 2: Convert to fraction form
    106,467.26/159,734.14 = 31,587.77/x
  3. Step 3: Cross multiply
    106,467.26x = 159,734.14 × 31,587.77
  4. Step 4: Simplify right side
    106,467.26x = 5,045,644,397.83
  5. Step 5: Solve for x
    x = 5,045,644,397.83/106,467.26
  6. Step 6: Final answer
    x = 47,391.51

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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.