Home / 82,731.29-124,110.59-32,811.62

Finding the Fourth Proportional to 82,731.29, 124,110.59 and 32,811.62

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Solution

The fourth proportional to 82,731.29, 124,110.59 and 32,811.62 is: 49,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,731.29 : 124,110.59 = 32,811.62 : x
  2. Step 2: Convert to fraction form
    82,731.29/124,110.59 = 32,811.62/x
  3. Step 3: Cross multiply
    82,731.29x = 124,110.59 × 32,811.62
  4. Step 4: Simplify right side
    82,731.29x = 4,072,268,732.44
  5. Step 5: Solve for x
    x = 4,072,268,732.44/82,731.29
  6. Step 6: Final answer
    x = 49,222.84

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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.