Home / 106,102.18-159,178.57-31,224.77

Finding the Fourth Proportional to 106,102.18, 159,178.57 and 31,224.77

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Solution

The fourth proportional to 106,102.18, 159,178.57 and 31,224.77 is: 46,844.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,102.18 : 159,178.57 = 31,224.77 : x
  2. Step 2: Convert to fraction form
    106,102.18/159,178.57 = 31,224.77/x
  3. Step 3: Cross multiply
    106,102.18x = 159,178.57 × 31,224.77
  4. Step 4: Simplify right side
    106,102.18x = 4,970,313,512.45
  5. Step 5: Solve for x
    x = 4,970,313,512.45/106,102.18
  6. Step 6: Final answer
    x = 46,844.59

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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.