Home / 107,447.45-161,203.37-43,372.60

Finding the Fourth Proportional to 107,447.45, 161,203.37 and 43,372.60

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Solution

The fourth proportional to 107,447.45, 161,203.37 and 43,372.60 is: 65,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,447.45 : 161,203.37 = 43,372.60 : x
  2. Step 2: Convert to fraction form
    107,447.45/161,203.37 = 43,372.60/x
  3. Step 3: Cross multiply
    107,447.45x = 161,203.37 × 43,372.60
  4. Step 4: Simplify right side
    107,447.45x = 6,991,808,665.79
  5. Step 5: Solve for x
    x = 6,991,808,665.79/107,447.45
  6. Step 6: Final answer
    x = 65,071.89

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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.