Home / 66,004.22-91,087.02-35,790.56

Finding the Fourth Proportional to 66,004.22, 91,087.02 and 35,790.56

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Solution

The fourth proportional to 66,004.22, 91,087.02 and 35,790.56 is: 49,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.22 : 91,087.02 = 35,790.56 : x
  2. Step 2: Convert to fraction form
    66,004.22/91,087.02 = 35,790.56/x
  3. Step 3: Cross multiply
    66,004.22x = 91,087.02 × 35,790.56
  4. Step 4: Simplify right side
    66,004.22x = 3,260,055,454.53
  5. Step 5: Solve for x
    x = 3,260,055,454.53/66,004.22
  6. Step 6: Final answer
    x = 49,391.62

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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.