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Finding the Fourth Proportional to 82,682.44, 124,020.88 and 35,935.36

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Solution

The fourth proportional to 82,682.44, 124,020.88 and 35,935.36 is: 53,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,682.44 : 124,020.88 = 35,935.36 : x
  2. Step 2: Convert to fraction form
    82,682.44/124,020.88 = 35,935.36/x
  3. Step 3: Cross multiply
    82,682.44x = 124,020.88 × 35,935.36
  4. Step 4: Simplify right side
    82,682.44x = 4,456,734,970.32
  5. Step 5: Solve for x
    x = 4,456,734,970.32/82,682.44
  6. Step 6: Final answer
    x = 53,901.83

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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.