Home / 107,954.83-161,893.37-45,630.19

Finding the Fourth Proportional to 107,954.83, 161,893.37 and 45,630.19

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Solution

The fourth proportional to 107,954.83, 161,893.37 and 45,630.19 is: 68,428.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,954.83 : 161,893.37 = 45,630.19 : x
  2. Step 2: Convert to fraction form
    107,954.83/161,893.37 = 45,630.19/x
  3. Step 3: Cross multiply
    107,954.83x = 161,893.37 × 45,630.19
  4. Step 4: Simplify right side
    107,954.83x = 7,387,225,004.69
  5. Step 5: Solve for x
    x = 7,387,225,004.69/107,954.83
  6. Step 6: Final answer
    x = 68,428.85

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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.