Home / 107,749.72-161,649.90-32,869.88

Finding the Fourth Proportional to 107,749.72, 161,649.90 and 32,869.88

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Solution

The fourth proportional to 107,749.72, 161,649.90 and 32,869.88 is: 49,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,749.72 : 161,649.90 = 32,869.88 : x
  2. Step 2: Convert to fraction form
    107,749.72/161,649.90 = 32,869.88/x
  3. Step 3: Cross multiply
    107,749.72x = 161,649.90 × 32,869.88
  4. Step 4: Simplify right side
    107,749.72x = 5,313,412,250.76
  5. Step 5: Solve for x
    x = 5,313,412,250.76/107,749.72
  6. Step 6: Final answer
    x = 49,312.54

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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.