Home / 82,732.71-124,099.08-57,821.41

Finding the Fourth Proportional to 82,732.71, 124,099.08 and 57,821.41

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Solution

The fourth proportional to 82,732.71, 124,099.08 and 57,821.41 is: 86,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,732.71 : 124,099.08 = 57,821.41 : x
  2. Step 2: Convert to fraction form
    82,732.71/124,099.08 = 57,821.41/x
  3. Step 3: Cross multiply
    82,732.71x = 124,099.08 × 57,821.41
  4. Step 4: Simplify right side
    82,732.71x = 7,175,583,785.30
  5. Step 5: Solve for x
    x = 7,175,583,785.30/82,732.71
  6. Step 6: Final answer
    x = 86,732.13

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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.