Home / 106,408.24-159,612-31,528.96

Finding the Fourth Proportional to 106,408.24, 159,612 and 31,528.96

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Solution

The fourth proportional to 106,408.24, 159,612 and 31,528.96 is: 47,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,408.24 : 159,612 = 31,528.96 : x
  2. Step 2: Convert to fraction form
    106,408.24/159,612 = 31,528.96/x
  3. Step 3: Cross multiply
    106,408.24x = 159,612 × 31,528.96
  4. Step 4: Simplify right side
    106,408.24x = 5,032,400,363.52
  5. Step 5: Solve for x
    x = 5,032,400,363.52/106,408.24
  6. Step 6: Final answer
    x = 47,293.33

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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.