Home / 106,391.40-159,610.74-46,429.53

Finding the Fourth Proportional to 106,391.40, 159,610.74 and 46,429.53

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Solution

The fourth proportional to 106,391.40, 159,610.74 and 46,429.53 is: 69,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,391.40 : 159,610.74 = 46,429.53 : x
  2. Step 2: Convert to fraction form
    106,391.40/159,610.74 = 46,429.53/x
  3. Step 3: Cross multiply
    106,391.40x = 159,610.74 × 46,429.53
  4. Step 4: Simplify right side
    106,391.40x = 7,410,651,641.15
  5. Step 5: Solve for x
    x = 7,410,651,641.15/106,391.40
  6. Step 6: Final answer
    x = 69,654.61

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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.