Home / 106,429.34-146,879.10-58,682.61

Finding the Fourth Proportional to 106,429.34, 146,879.10 and 58,682.61

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Solution

The fourth proportional to 106,429.34, 146,879.10 and 58,682.61 is: 80,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,429.34 : 146,879.10 = 58,682.61 : x
  2. Step 2: Convert to fraction form
    106,429.34/146,879.10 = 58,682.61/x
  3. Step 3: Cross multiply
    106,429.34x = 146,879.10 × 58,682.61
  4. Step 4: Simplify right side
    106,429.34x = 8,619,248,942.45
  5. Step 5: Solve for x
    x = 8,619,248,942.45/106,429.34
  6. Step 6: Final answer
    x = 80,985.65

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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.