Home / 107,765.96-161,610.03-45,441.32

Finding the Fourth Proportional to 107,765.96, 161,610.03 and 45,441.32

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Solution

The fourth proportional to 107,765.96, 161,610.03 and 45,441.32 is: 68,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,765.96 : 161,610.03 = 45,441.32 : x
  2. Step 2: Convert to fraction form
    107,765.96/161,610.03 = 45,441.32/x
  3. Step 3: Cross multiply
    107,765.96x = 161,610.03 × 45,441.32
  4. Step 4: Simplify right side
    107,765.96x = 7,343,772,280.39
  5. Step 5: Solve for x
    x = 7,343,772,280.39/107,765.96
  6. Step 6: Final answer
    x = 68,145.57

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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.