Home / 105,977.92-146,249.61-58,234.36

Finding the Fourth Proportional to 105,977.92, 146,249.61 and 58,234.36

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Solution

The fourth proportional to 105,977.92, 146,249.61 and 58,234.36 is: 80,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,977.92 : 146,249.61 = 58,234.36 : x
  2. Step 2: Convert to fraction form
    105,977.92/146,249.61 = 58,234.36/x
  3. Step 3: Cross multiply
    105,977.92x = 146,249.61 × 58,234.36
  4. Step 4: Simplify right side
    105,977.92x = 8,516,752,438.60
  5. Step 5: Solve for x
    x = 8,516,752,438.60/105,977.92
  6. Step 6: Final answer
    x = 80,363.46

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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.