Home / 107,601.57-161,333.12-51,440.42

Finding the Fourth Proportional to 107,601.57, 161,333.12 and 51,440.42

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Solution

The fourth proportional to 107,601.57, 161,333.12 and 51,440.42 is: 77,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,601.57 : 161,333.12 = 51,440.42 : x
  2. Step 2: Convert to fraction form
    107,601.57/161,333.12 = 51,440.42/x
  3. Step 3: Cross multiply
    107,601.57x = 161,333.12 × 51,440.42
  4. Step 4: Simplify right side
    107,601.57x = 8,299,043,984.64
  5. Step 5: Solve for x
    x = 8,299,043,984.64/107,601.57
  6. Step 6: Final answer
    x = 77,127.54

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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.