Home / 105,286.29-158,038.78-60,999.54

Finding the Fourth Proportional to 105,286.29, 158,038.78 and 60,999.54

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Solution

The fourth proportional to 105,286.29, 158,038.78 and 60,999.54 is: 91,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,286.29 : 158,038.78 = 60,999.54 : x
  2. Step 2: Convert to fraction form
    105,286.29/158,038.78 = 60,999.54/x
  3. Step 3: Cross multiply
    105,286.29x = 158,038.78 × 60,999.54
  4. Step 4: Simplify right side
    105,286.29x = 9,640,292,091.97
  5. Step 5: Solve for x
    x = 9,640,292,091.97/105,286.29
  6. Step 6: Final answer
    x = 91,562.66

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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.