Home / 106,138.26-146,461.92-62,523.90

Finding the Fourth Proportional to 106,138.26, 146,461.92 and 62,523.90

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Solution

The fourth proportional to 106,138.26, 146,461.92 and 62,523.90 is: 86,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,138.26 : 146,461.92 = 62,523.90 : x
  2. Step 2: Convert to fraction form
    106,138.26/146,461.92 = 62,523.90/x
  3. Step 3: Cross multiply
    106,138.26x = 146,461.92 × 62,523.90
  4. Step 4: Simplify right side
    106,138.26x = 9,157,370,439.89
  5. Step 5: Solve for x
    x = 9,157,370,439.89/106,138.26
  6. Step 6: Final answer
    x = 86,277.75

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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.