Home / 82,231.64-123,218.26-63,557.39

Finding the Fourth Proportional to 82,231.64, 123,218.26 and 63,557.39

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Solution

The fourth proportional to 82,231.64, 123,218.26 and 63,557.39 is: 95,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,231.64 : 123,218.26 = 63,557.39 : x
  2. Step 2: Convert to fraction form
    82,231.64/123,218.26 = 63,557.39/x
  3. Step 3: Cross multiply
    82,231.64x = 123,218.26 × 63,557.39
  4. Step 4: Simplify right side
    82,231.64x = 7,831,431,005.94
  5. Step 5: Solve for x
    x = 7,831,431,005.94/82,231.64
  6. Step 6: Final answer
    x = 95,236.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.