Home / 107,869.11-161,876.56-37,749.03

Finding the Fourth Proportional to 107,869.11, 161,876.56 and 37,749.03

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Solution

The fourth proportional to 107,869.11, 161,876.56 and 37,749.03 is: 56,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.11 : 161,876.56 = 37,749.03 : x
  2. Step 2: Convert to fraction form
    107,869.11/161,876.56 = 37,749.03/x
  3. Step 3: Cross multiply
    107,869.11x = 161,876.56 × 37,749.03
  4. Step 4: Simplify right side
    107,869.11x = 6,110,683,119.74
  5. Step 5: Solve for x
    x = 6,110,683,119.74/107,869.11
  6. Step 6: Final answer
    x = 56,649.05

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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.