Home / 107,738.26-148,638.42-62,399.72

Finding the Fourth Proportional to 107,738.26, 148,638.42 and 62,399.72

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Solution

The fourth proportional to 107,738.26, 148,638.42 and 62,399.72 is: 86,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,738.26 : 148,638.42 = 62,399.72 : x
  2. Step 2: Convert to fraction form
    107,738.26/148,638.42 = 62,399.72/x
  3. Step 3: Cross multiply
    107,738.26x = 148,638.42 × 62,399.72
  4. Step 4: Simplify right side
    107,738.26x = 9,274,995,789.24
  5. Step 5: Solve for x
    x = 9,274,995,789.24/107,738.26
  6. Step 6: Final answer
    x = 86,088.23

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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.