Home / 60,701.13-91,049.40-18,579.51

Finding the Fourth Proportional to 60,701.13, 91,049.40 and 18,579.51

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Solution

The fourth proportional to 60,701.13, 91,049.40 and 18,579.51 is: 27,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,701.13 : 91,049.40 = 18,579.51 : x
  2. Step 2: Convert to fraction form
    60,701.13/91,049.40 = 18,579.51/x
  3. Step 3: Cross multiply
    60,701.13x = 91,049.40 × 18,579.51
  4. Step 4: Simplify right side
    60,701.13x = 1,691,653,237.79
  5. Step 5: Solve for x
    x = 1,691,653,237.79/60,701.13
  6. Step 6: Final answer
    x = 27,868.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.