Home / 106,406.72-146,842.30-58,661.81

Finding the Fourth Proportional to 106,406.72, 146,842.30 and 58,661.81

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Solution

The fourth proportional to 106,406.72, 146,842.30 and 58,661.81 is: 80,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,406.72 : 146,842.30 = 58,661.81 : x
  2. Step 2: Convert to fraction form
    106,406.72/146,842.30 = 58,661.81/x
  3. Step 3: Cross multiply
    106,406.72x = 146,842.30 × 58,661.81
  4. Step 4: Simplify right side
    106,406.72x = 8,614,035,102.56
  5. Step 5: Solve for x
    x = 8,614,035,102.56/106,406.72
  6. Step 6: Final answer
    x = 80,953.86

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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.