Home / 107,663.47-161,433.66-32,761.46

Finding the Fourth Proportional to 107,663.47, 161,433.66 and 32,761.46

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Solution

The fourth proportional to 107,663.47, 161,433.66 and 32,761.46 is: 49,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,663.47 : 161,433.66 = 32,761.46 : x
  2. Step 2: Convert to fraction form
    107,663.47/161,433.66 = 32,761.46/x
  3. Step 3: Cross multiply
    107,663.47x = 161,433.66 × 32,761.46
  4. Step 4: Simplify right side
    107,663.47x = 5,288,802,921.18
  5. Step 5: Solve for x
    x = 5,288,802,921.18/107,663.47
  6. Step 6: Final answer
    x = 49,123.47

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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.