Home / 106,331.19-159,524.10-31,448.31

Finding the Fourth Proportional to 106,331.19, 159,524.10 and 31,448.31

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Solution

The fourth proportional to 106,331.19, 159,524.10 and 31,448.31 is: 47,180.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,331.19 : 159,524.10 = 31,448.31 : x
  2. Step 2: Convert to fraction form
    106,331.19/159,524.10 = 31,448.31/x
  3. Step 3: Cross multiply
    106,331.19x = 159,524.10 × 31,448.31
  4. Step 4: Simplify right side
    106,331.19x = 5,016,763,349.27
  5. Step 5: Solve for x
    x = 5,016,763,349.27/106,331.19
  6. Step 6: Final answer
    x = 47,180.54

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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.