Home / 106,557.21-159,835.77-31,677.03

Finding the Fourth Proportional to 106,557.21, 159,835.77 and 31,677.03

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Solution

The fourth proportional to 106,557.21, 159,835.77 and 31,677.03 is: 47,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,557.21 : 159,835.77 = 31,677.03 : x
  2. Step 2: Convert to fraction form
    106,557.21/159,835.77 = 31,677.03/x
  3. Step 3: Cross multiply
    106,557.21x = 159,835.77 × 31,677.03
  4. Step 4: Simplify right side
    106,557.21x = 5,063,122,481.36
  5. Step 5: Solve for x
    x = 5,063,122,481.36/106,557.21
  6. Step 6: Final answer
    x = 47,515.53

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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.