Home / 63,176.13-87,163.31-36,308.79

Finding the Fourth Proportional to 63,176.13, 87,163.31 and 36,308.79

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Solution

The fourth proportional to 63,176.13, 87,163.31 and 36,308.79 is: 50,094.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,176.13 : 87,163.31 = 36,308.79 : x
  2. Step 2: Convert to fraction form
    63,176.13/87,163.31 = 36,308.79/x
  3. Step 3: Cross multiply
    63,176.13x = 87,163.31 × 36,308.79
  4. Step 4: Simplify right side
    63,176.13x = 3,164,794,136.95
  5. Step 5: Solve for x
    x = 3,164,794,136.95/63,176.13
  6. Step 6: Final answer
    x = 50,094.78

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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.