Home / 107,760.11-148,708.89-62,464.34

Finding the Fourth Proportional to 107,760.11, 148,708.89 and 62,464.34

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Solution

The fourth proportional to 107,760.11, 148,708.89 and 62,464.34 is: 86,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,760.11 : 148,708.89 = 62,464.34 : x
  2. Step 2: Convert to fraction form
    107,760.11/148,708.89 = 62,464.34/x
  3. Step 3: Cross multiply
    107,760.11x = 148,708.89 × 62,464.34
  4. Step 4: Simplify right side
    107,760.11x = 9,289,003,037.75
  5. Step 5: Solve for x
    x = 9,289,003,037.75/107,760.11
  6. Step 6: Final answer
    x = 86,200.76

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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.