Home / 43,772.81-65,660.54-17,117.73

Finding the Fourth Proportional to 43,772.81, 65,660.54 and 17,117.73

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Solution

The fourth proportional to 43,772.81, 65,660.54 and 17,117.73 is: 25,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,772.81 : 65,660.54 = 17,117.73 : x
  2. Step 2: Convert to fraction form
    43,772.81/65,660.54 = 17,117.73/x
  3. Step 3: Cross multiply
    43,772.81x = 65,660.54 × 17,117.73
  4. Step 4: Simplify right side
    43,772.81x = 1,123,959,309.79
  5. Step 5: Solve for x
    x = 1,123,959,309.79/43,772.81
  6. Step 6: Final answer
    x = 25,677.11

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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.