Home / 82,496.70-123,746.97-20,167.74

Finding the Fourth Proportional to 82,496.70, 123,746.97 and 20,167.74

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Solution

The fourth proportional to 82,496.70, 123,746.97 and 20,167.74 is: 30,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,496.70 : 123,746.97 = 20,167.74 : x
  2. Step 2: Convert to fraction form
    82,496.70/123,746.97 = 20,167.74/x
  3. Step 3: Cross multiply
    82,496.70x = 123,746.97 × 20,167.74
  4. Step 4: Simplify right side
    82,496.70x = 2,495,696,716.75
  5. Step 5: Solve for x
    x = 2,495,696,716.75/82,496.70
  6. Step 6: Final answer
    x = 30,252.08

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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.