Home / 107,507.67-161,202.27-51,361.92

Finding the Fourth Proportional to 107,507.67, 161,202.27 and 51,361.92

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Solution

The fourth proportional to 107,507.67, 161,202.27 and 51,361.92 is: 77,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,507.67 : 161,202.27 = 51,361.92 : x
  2. Step 2: Convert to fraction form
    107,507.67/161,202.27 = 51,361.92/x
  3. Step 3: Cross multiply
    107,507.67x = 161,202.27 × 51,361.92
  4. Step 4: Simplify right side
    107,507.67x = 8,279,658,095.56
  5. Step 5: Solve for x
    x = 8,279,658,095.56/107,507.67
  6. Step 6: Final answer
    x = 77,014.58

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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.