Home / 106,237.27-159,318.78-31,337.54

Finding the Fourth Proportional to 106,237.27, 159,318.78 and 31,337.54

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Solution

The fourth proportional to 106,237.27, 159,318.78 and 31,337.54 is: 46,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,237.27 : 159,318.78 = 31,337.54 : x
  2. Step 2: Convert to fraction form
    106,237.27/159,318.78 = 31,337.54/x
  3. Step 3: Cross multiply
    106,237.27x = 159,318.78 × 31,337.54
  4. Step 4: Simplify right side
    106,237.27x = 4,992,657,687.72
  5. Step 5: Solve for x
    x = 4,992,657,687.72/106,237.27
  6. Step 6: Final answer
    x = 46,995.35

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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.