Home / 107,365.91-161,016.05-51,176.41

Finding the Fourth Proportional to 107,365.91, 161,016.05 and 51,176.41

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Solution

The fourth proportional to 107,365.91, 161,016.05 and 51,176.41 is: 76,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,365.91 : 161,016.05 = 51,176.41 : x
  2. Step 2: Convert to fraction form
    107,365.91/161,016.05 = 51,176.41/x
  3. Step 3: Cross multiply
    107,365.91x = 161,016.05 × 51,176.41
  4. Step 4: Simplify right side
    107,365.91x = 8,240,223,116.78
  5. Step 5: Solve for x
    x = 8,240,223,116.78/107,365.91
  6. Step 6: Final answer
    x = 76,748.97

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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.