Home / 82,221.35-113,466.02-48,249.95

Finding the Fourth Proportional to 82,221.35, 113,466.02 and 48,249.95

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Solution

The fourth proportional to 82,221.35, 113,466.02 and 48,249.95 is: 66,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,221.35 : 113,466.02 = 48,249.95 : x
  2. Step 2: Convert to fraction form
    82,221.35/113,466.02 = 48,249.95/x
  3. Step 3: Cross multiply
    82,221.35x = 113,466.02 × 48,249.95
  4. Step 4: Simplify right side
    82,221.35x = 5,474,728,983.12
  5. Step 5: Solve for x
    x = 5,474,728,983.12/82,221.35
  6. Step 6: Final answer
    x = 66,585.25

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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.