Home / 107,424.89-161,140.53-51,270.92

Finding the Fourth Proportional to 107,424.89, 161,140.53 and 51,270.92

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Solution

The fourth proportional to 107,424.89, 161,140.53 and 51,270.92 is: 76,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,424.89 : 161,140.53 = 51,270.92 : x
  2. Step 2: Convert to fraction form
    107,424.89/161,140.53 = 51,270.92/x
  3. Step 3: Cross multiply
    107,424.89x = 161,140.53 × 51,270.92
  4. Step 4: Simplify right side
    107,424.89x = 8,261,823,222.39
  5. Step 5: Solve for x
    x = 8,261,823,222.39/107,424.89
  6. Step 6: Final answer
    x = 76,907.90

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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.