Home / 107,241.36-147,997.02-64,791.66

Finding the Fourth Proportional to 107,241.36, 147,997.02 and 64,791.66

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Solution

The fourth proportional to 107,241.36, 147,997.02 and 64,791.66 is: 89,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,241.36 : 147,997.02 = 64,791.66 : x
  2. Step 2: Convert to fraction form
    107,241.36/147,997.02 = 64,791.66/x
  3. Step 3: Cross multiply
    107,241.36x = 147,997.02 × 64,791.66
  4. Step 4: Simplify right side
    107,241.36x = 9,588,972,600.85
  5. Step 5: Solve for x
    x = 9,588,972,600.85/107,241.36
  6. Step 6: Final answer
    x = 89,414.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.