Home / 73,661.39-110,496.03-21,072.14

Finding the Fourth Proportional to 73,661.39, 110,496.03 and 21,072.14

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Solution

The fourth proportional to 73,661.39, 110,496.03 and 21,072.14 is: 31,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,661.39 : 110,496.03 = 21,072.14 : x
  2. Step 2: Convert to fraction form
    73,661.39/110,496.03 = 21,072.14/x
  3. Step 3: Cross multiply
    73,661.39x = 110,496.03 × 21,072.14
  4. Step 4: Simplify right side
    73,661.39x = 2,328,387,813.60
  5. Step 5: Solve for x
    x = 2,328,387,813.60/73,661.39
  6. Step 6: Final answer
    x = 31,609.34

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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.