Home / 97,067.87-133,966.31-55,691.09

Finding the Fourth Proportional to 97,067.87, 133,966.31 and 55,691.09

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Solution

The fourth proportional to 97,067.87, 133,966.31 and 55,691.09 is: 76,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,067.87 : 133,966.31 = 55,691.09 : x
  2. Step 2: Convert to fraction form
    97,067.87/133,966.31 = 55,691.09/x
  3. Step 3: Cross multiply
    97,067.87x = 133,966.31 × 55,691.09
  4. Step 4: Simplify right side
    97,067.87x = 7,460,730,134.83
  5. Step 5: Solve for x
    x = 7,460,730,134.83/97,067.87
  6. Step 6: Final answer
    x = 76,860.97

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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.