Home / 106,327.24-159,490.78-31,448.36

Finding the Fourth Proportional to 106,327.24, 159,490.78 and 31,448.36

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Solution

The fourth proportional to 106,327.24, 159,490.78 and 31,448.36 is: 47,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,327.24 : 159,490.78 = 31,448.36 : x
  2. Step 2: Convert to fraction form
    106,327.24/159,490.78 = 31,448.36/x
  3. Step 3: Cross multiply
    106,327.24x = 159,490.78 × 31,448.36
  4. Step 4: Simplify right side
    106,327.24x = 5,015,723,466.12
  5. Step 5: Solve for x
    x = 5,015,723,466.12/106,327.24
  6. Step 6: Final answer
    x = 47,172.52

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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.