Home / 107,889.70-161,834.28-29,003.92

Finding the Fourth Proportional to 107,889.70, 161,834.28 and 29,003.92

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Solution

The fourth proportional to 107,889.70, 161,834.28 and 29,003.92 is: 43,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,889.70 : 161,834.28 = 29,003.92 : x
  2. Step 2: Convert to fraction form
    107,889.70/161,834.28 = 29,003.92/x
  3. Step 3: Cross multiply
    107,889.70x = 161,834.28 × 29,003.92
  4. Step 4: Simplify right side
    107,889.70x = 4,693,828,510.38
  5. Step 5: Solve for x
    x = 4,693,828,510.38/107,889.70
  6. Step 6: Final answer
    x = 43,505.81

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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.