Home / 82,753.74-124,033.38-38,286.54

Finding the Fourth Proportional to 82,753.74, 124,033.38 and 38,286.54

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Solution

The fourth proportional to 82,753.74, 124,033.38 and 38,286.54 is: 57,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,753.74 : 124,033.38 = 38,286.54 : x
  2. Step 2: Convert to fraction form
    82,753.74/124,033.38 = 38,286.54/x
  3. Step 3: Cross multiply
    82,753.74x = 124,033.38 × 38,286.54
  4. Step 4: Simplify right side
    82,753.74x = 4,748,808,964.71
  5. Step 5: Solve for x
    x = 4,748,808,964.71/82,753.74
  6. Step 6: Final answer
    x = 57,384.83

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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.