Home / 66,504.08-91,777.86-36,291.06

Finding the Fourth Proportional to 66,504.08, 91,777.86 and 36,291.06

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Solution

The fourth proportional to 66,504.08, 91,777.86 and 36,291.06 is: 50,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504.08 : 91,777.86 = 36,291.06 : x
  2. Step 2: Convert to fraction form
    66,504.08/91,777.86 = 36,291.06/x
  3. Step 3: Cross multiply
    66,504.08x = 91,777.86 × 36,291.06
  4. Step 4: Simplify right side
    66,504.08x = 3,330,715,823.93
  5. Step 5: Solve for x
    x = 3,330,715,823.93/66,504.08
  6. Step 6: Final answer
    x = 50,082.88

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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.