Home / 82,004.13-113,217.98-66,932.73

Finding the Fourth Proportional to 82,004.13, 113,217.98 and 66,932.73

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Solution

The fourth proportional to 82,004.13, 113,217.98 and 66,932.73 is: 92,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,004.13 : 113,217.98 = 66,932.73 : x
  2. Step 2: Convert to fraction form
    82,004.13/113,217.98 = 66,932.73/x
  3. Step 3: Cross multiply
    82,004.13x = 113,217.98 × 66,932.73
  4. Step 4: Simplify right side
    82,004.13x = 7,577,988,151.82
  5. Step 5: Solve for x
    x = 7,577,988,151.82/82,004.13
  6. Step 6: Final answer
    x = 92,409.84

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1.5x scale

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.