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Finding the Fourth Proportional to 82,706.40, 124,059.60 and 27,295.20

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Solution

The fourth proportional to 82,706.40, 124,059.60 and 27,295.20 is: 40,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,706.40 : 124,059.60 = 27,295.20 : x
  2. Step 2: Convert to fraction form
    82,706.40/124,059.60 = 27,295.20/x
  3. Step 3: Cross multiply
    82,706.40x = 124,059.60 × 27,295.20
  4. Step 4: Simplify right side
    82,706.40x = 3,386,231,593.92
  5. Step 5: Solve for x
    x = 3,386,231,593.92/82,706.40
  6. Step 6: Final answer
    x = 40,942.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.