Home / 107,661.24-161,098.20-63,308.88

Finding the Fourth Proportional to 107,661.24, 161,098.20 and 63,308.88

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Solution

The fourth proportional to 107,661.24, 161,098.20 and 63,308.88 is: 94,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,661.24 : 161,098.20 = 63,308.88 : x
  2. Step 2: Convert to fraction form
    107,661.24/161,098.20 = 63,308.88/x
  3. Step 3: Cross multiply
    107,661.24x = 161,098.20 × 63,308.88
  4. Step 4: Simplify right side
    107,661.24x = 10,198,946,612.02
  5. Step 5: Solve for x
    x = 10,198,946,612.02/107,661.24
  6. Step 6: Final answer
    x = 94,731.83

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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.