Home / 107,788.46-148,749.62-62,469.56

Finding the Fourth Proportional to 107,788.46, 148,749.62 and 62,469.56

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Solution

The fourth proportional to 107,788.46, 148,749.62 and 62,469.56 is: 86,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.46 : 148,749.62 = 62,469.56 : x
  2. Step 2: Convert to fraction form
    107,788.46/148,749.62 = 62,469.56/x
  3. Step 3: Cross multiply
    107,788.46x = 148,749.62 × 62,469.56
  4. Step 4: Simplify right side
    107,788.46x = 9,292,323,371.09
  5. Step 5: Solve for x
    x = 9,292,323,371.09/107,788.46
  6. Step 6: Final answer
    x = 86,208.89

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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.