Home / 106,996.05-147,654.32-61,673.73

Finding the Fourth Proportional to 106,996.05, 147,654.32 and 61,673.73

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Solution

The fourth proportional to 106,996.05, 147,654.32 and 61,673.73 is: 85,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,996.05 : 147,654.32 = 61,673.73 : x
  2. Step 2: Convert to fraction form
    106,996.05/147,654.32 = 61,673.73/x
  3. Step 3: Cross multiply
    106,996.05x = 147,654.32 × 61,673.73
  4. Step 4: Simplify right side
    106,996.05x = 9,106,392,356.64
  5. Step 5: Solve for x
    x = 9,106,392,356.64/106,996.05
  6. Step 6: Final answer
    x = 85,109.61

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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.