Home / 77,394.15-106,659.31-60,371.43

Finding the Fourth Proportional to 77,394.15, 106,659.31 and 60,371.43

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Solution

The fourth proportional to 77,394.15, 106,659.31 and 60,371.43 is: 83,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,394.15 : 106,659.31 = 60,371.43 : x
  2. Step 2: Convert to fraction form
    77,394.15/106,659.31 = 60,371.43/x
  3. Step 3: Cross multiply
    77,394.15x = 106,659.31 × 60,371.43
  4. Step 4: Simplify right side
    77,394.15x = 6,439,175,067.51
  5. Step 5: Solve for x
    x = 6,439,175,067.51/77,394.15
  6. Step 6: Final answer
    x = 83,199.76

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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.