Home / 107,760.80-161,641.20-41,203.10

Finding the Fourth Proportional to 107,760.80, 161,641.20 and 41,203.10

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Solution

The fourth proportional to 107,760.80, 161,641.20 and 41,203.10 is: 61,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,760.80 : 161,641.20 = 41,203.10 : x
  2. Step 2: Convert to fraction form
    107,760.80/161,641.20 = 41,203.10/x
  3. Step 3: Cross multiply
    107,760.80x = 161,641.20 × 41,203.10
  4. Step 4: Simplify right side
    107,760.80x = 6,660,118,527.72
  5. Step 5: Solve for x
    x = 6,660,118,527.72/107,760.80
  6. Step 6: Final answer
    x = 61,804.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.