Home / 106,521.35-159,727.32-35,418.33

Finding the Fourth Proportional to 106,521.35, 159,727.32 and 35,418.33

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Solution

The fourth proportional to 106,521.35, 159,727.32 and 35,418.33 is: 53,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,521.35 : 159,727.32 = 35,418.33 : x
  2. Step 2: Convert to fraction form
    106,521.35/159,727.32 = 35,418.33/x
  3. Step 3: Cross multiply
    106,521.35x = 159,727.32 × 35,418.33
  4. Step 4: Simplify right side
    106,521.35x = 5,657,274,929.78
  5. Step 5: Solve for x
    x = 5,657,274,929.78/106,521.35
  6. Step 6: Final answer
    x = 53,109.31

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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.