Home / 82,824.40-124,236.60-57,892.60

Finding the Fourth Proportional to 82,824.40, 124,236.60 and 57,892.60

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Solution

The fourth proportional to 82,824.40, 124,236.60 and 57,892.60 is: 86,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,824.40 : 124,236.60 = 57,892.60 : x
  2. Step 2: Convert to fraction form
    82,824.40/124,236.60 = 57,892.60/x
  3. Step 3: Cross multiply
    82,824.40x = 124,236.60 × 57,892.60
  4. Step 4: Simplify right side
    82,824.40x = 7,192,379,789.16
  5. Step 5: Solve for x
    x = 7,192,379,789.16/82,824.40
  6. Step 6: Final answer
    x = 86,838.90

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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.