Home / 82,769.11-114,245.44-54,093.08

Finding the Fourth Proportional to 82,769.11, 114,245.44 and 54,093.08

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Solution

The fourth proportional to 82,769.11, 114,245.44 and 54,093.08 is: 74,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,769.11 : 114,245.44 = 54,093.08 : x
  2. Step 2: Convert to fraction form
    82,769.11/114,245.44 = 54,093.08/x
  3. Step 3: Cross multiply
    82,769.11x = 114,245.44 × 54,093.08
  4. Step 4: Simplify right side
    82,769.11x = 6,179,887,875.94
  5. Step 5: Solve for x
    x = 6,179,887,875.94/82,769.11
  6. Step 6: Final answer
    x = 74,664.18

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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.