Home / 66,564.09-91,857.97-36,349.41

Finding the Fourth Proportional to 66,564.09, 91,857.97 and 36,349.41

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Solution

The fourth proportional to 66,564.09, 91,857.97 and 36,349.41 is: 50,161.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,564.09 : 91,857.97 = 36,349.41 : x
  2. Step 2: Convert to fraction form
    66,564.09/91,857.97 = 36,349.41/x
  3. Step 3: Cross multiply
    66,564.09x = 91,857.97 × 36,349.41
  4. Step 4: Simplify right side
    66,564.09x = 3,338,983,144.79
  5. Step 5: Solve for x
    x = 3,338,983,144.79/66,564.09
  6. Step 6: Final answer
    x = 50,161.93

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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.