Home / 106,406.78-146,842.35-58,661.84

Finding the Fourth Proportional to 106,406.78, 146,842.35 and 58,661.84

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Solution

The fourth proportional to 106,406.78, 146,842.35 and 58,661.84 is: 80,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,406.78 : 146,842.35 = 58,661.84 : x
  2. Step 2: Convert to fraction form
    106,406.78/146,842.35 = 58,661.84/x
  3. Step 3: Cross multiply
    106,406.78x = 146,842.35 × 58,661.84
  4. Step 4: Simplify right side
    106,406.78x = 8,614,042,440.92
  5. Step 5: Solve for x
    x = 8,614,042,440.92/106,406.78
  6. Step 6: Final answer
    x = 80,953.89

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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.