Home / 66,389.73-91,616.67-36,175.29

Finding the Fourth Proportional to 66,389.73, 91,616.67 and 36,175.29

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Solution

The fourth proportional to 66,389.73, 91,616.67 and 36,175.29 is: 49,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,389.73 : 91,616.67 = 36,175.29 : x
  2. Step 2: Convert to fraction form
    66,389.73/91,616.67 = 36,175.29/x
  3. Step 3: Cross multiply
    66,389.73x = 91,616.67 × 36,175.29
  4. Step 4: Simplify right side
    66,389.73x = 3,314,259,606.08
  5. Step 5: Solve for x
    x = 3,314,259,606.08/66,389.73
  6. Step 6: Final answer
    x = 49,921.27

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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.