Home / 106,360.41-159,540.14-31,480.86

Finding the Fourth Proportional to 106,360.41, 159,540.14 and 31,480.86

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Solution

The fourth proportional to 106,360.41, 159,540.14 and 31,480.86 is: 47,221.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,360.41 : 159,540.14 = 31,480.86 : x
  2. Step 2: Convert to fraction form
    106,360.41/159,540.14 = 31,480.86/x
  3. Step 3: Cross multiply
    106,360.41x = 159,540.14 × 31,480.86
  4. Step 4: Simplify right side
    106,360.41x = 5,022,460,811.72
  5. Step 5: Solve for x
    x = 5,022,460,811.72/106,360.41
  6. Step 6: Final answer
    x = 47,221.15

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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.