Home / 107,644.14-161,473.50-28,766.34

Finding the Fourth Proportional to 107,644.14, 161,473.50 and 28,766.34

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Solution

The fourth proportional to 107,644.14, 161,473.50 and 28,766.34 is: 43,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,644.14 : 161,473.50 = 28,766.34 : x
  2. Step 2: Convert to fraction form
    107,644.14/161,473.50 = 28,766.34/x
  3. Step 3: Cross multiply
    107,644.14x = 161,473.50 × 28,766.34
  4. Step 4: Simplify right side
    107,644.14x = 4,645,001,601.99
  5. Step 5: Solve for x
    x = 4,645,001,601.99/107,644.14
  6. Step 6: Final answer
    x = 43,151.46

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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.