Home / 66,535.38-91,821.05-36,322.52

Finding the Fourth Proportional to 66,535.38, 91,821.05 and 36,322.52

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Solution

The fourth proportional to 66,535.38, 91,821.05 and 36,322.52 is: 50,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,535.38 : 91,821.05 = 36,322.52 : x
  2. Step 2: Convert to fraction form
    66,535.38/91,821.05 = 36,322.52/x
  3. Step 3: Cross multiply
    66,535.38x = 91,821.05 × 36,322.52
  4. Step 4: Simplify right side
    66,535.38x = 3,335,171,284.33
  5. Step 5: Solve for x
    x = 3,335,171,284.33/66,535.38
  6. Step 6: Final answer
    x = 50,126.28

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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.