Home / 82,216.83-113,382.22-54,572.60

Finding the Fourth Proportional to 82,216.83, 113,382.22 and 54,572.60

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Solution

The fourth proportional to 82,216.83, 113,382.22 and 54,572.60 is: 75,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,216.83 : 113,382.22 = 54,572.60 : x
  2. Step 2: Convert to fraction form
    82,216.83/113,382.22 = 54,572.60/x
  3. Step 3: Cross multiply
    82,216.83x = 113,382.22 × 54,572.60
  4. Step 4: Simplify right side
    82,216.83x = 6,187,562,539.17
  5. Step 5: Solve for x
    x = 6,187,562,539.17/82,216.83
  6. Step 6: Final answer
    x = 75,259.07

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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.