Home / 82,753.54-124,033.10-38,286.36

Finding the Fourth Proportional to 82,753.54, 124,033.10 and 38,286.36

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Solution

The fourth proportional to 82,753.54, 124,033.10 and 38,286.36 is: 57,384.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,753.54 : 124,033.10 = 38,286.36 : x
  2. Step 2: Convert to fraction form
    82,753.54/124,033.10 = 38,286.36/x
  3. Step 3: Cross multiply
    82,753.54x = 124,033.10 × 38,286.36
  4. Step 4: Simplify right side
    82,753.54x = 4,748,775,727.08
  5. Step 5: Solve for x
    x = 4,748,775,727.08/82,753.54
  6. Step 6: Final answer
    x = 57,384.56

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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.