Home / 66,548.30-91,837.55-36,333.28

Finding the Fourth Proportional to 66,548.30, 91,837.55 and 36,333.28

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Solution

The fourth proportional to 66,548.30, 91,837.55 and 36,333.28 is: 50,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.30 : 91,837.55 = 36,333.28 : x
  2. Step 2: Convert to fraction form
    66,548.30/91,837.55 = 36,333.28/x
  3. Step 3: Cross multiply
    66,548.30x = 91,837.55 × 36,333.28
  4. Step 4: Simplify right side
    66,548.30x = 3,336,759,418.66
  5. Step 5: Solve for x
    x = 3,336,759,418.66/66,548.30
  6. Step 6: Final answer
    x = 50,140.42

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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.