Home / 66,637.37-99,983.39-27,198.47

Finding the Fourth Proportional to 66,637.37, 99,983.39 and 27,198.47

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Solution

The fourth proportional to 66,637.37, 99,983.39 and 27,198.47 is: 40,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,637.37 : 99,983.39 = 27,198.47 : x
  2. Step 2: Convert to fraction form
    66,637.37/99,983.39 = 27,198.47/x
  3. Step 3: Cross multiply
    66,637.37x = 99,983.39 × 27,198.47
  4. Step 4: Simplify right side
    66,637.37x = 2,719,395,233.41
  5. Step 5: Solve for x
    x = 2,719,395,233.41/66,637.37
  6. Step 6: Final answer
    x = 40,808.86

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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.