Home / 105,738.97-158,558.23-61,379.32

Finding the Fourth Proportional to 105,738.97, 158,558.23 and 61,379.32

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Solution

The fourth proportional to 105,738.97, 158,558.23 and 61,379.32 is: 92,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,738.97 : 158,558.23 = 61,379.32 : x
  2. Step 2: Convert to fraction form
    105,738.97/158,558.23 = 61,379.32/x
  3. Step 3: Cross multiply
    105,738.97x = 158,558.23 × 61,379.32
  4. Step 4: Simplify right side
    105,738.97x = 9,732,196,337.80
  5. Step 5: Solve for x
    x = 9,732,196,337.80/105,738.97
  6. Step 6: Final answer
    x = 92,039.83

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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.