Home / 107,241.39-148,005.87-61,930.38

Finding the Fourth Proportional to 107,241.39, 148,005.87 and 61,930.38

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Solution

The fourth proportional to 107,241.39, 148,005.87 and 61,930.38 is: 85,471.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,241.39 : 148,005.87 = 61,930.38 : x
  2. Step 2: Convert to fraction form
    107,241.39/148,005.87 = 61,930.38/x
  3. Step 3: Cross multiply
    107,241.39x = 148,005.87 × 61,930.38
  4. Step 4: Simplify right side
    107,241.39x = 9,166,059,771.33
  5. Step 5: Solve for x
    x = 9,166,059,771.33/107,241.39
  6. Step 6: Final answer
    x = 85,471.29

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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.