Home / 105,961.75-146,240.18-61,249.75

Finding the Fourth Proportional to 105,961.75, 146,240.18 and 61,249.75

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Solution

The fourth proportional to 105,961.75, 146,240.18 and 61,249.75 is: 84,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.75 : 146,240.18 = 61,249.75 : x
  2. Step 2: Convert to fraction form
    105,961.75/146,240.18 = 61,249.75/x
  3. Step 3: Cross multiply
    105,961.75x = 146,240.18 × 61,249.75
  4. Step 4: Simplify right side
    105,961.75x = 8,957,174,464.96
  5. Step 5: Solve for x
    x = 8,957,174,464.96/105,961.75
  6. Step 6: Final answer
    x = 84,532.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.