Home / 82,610.23-123,915.44-22,639.21

Finding the Fourth Proportional to 82,610.23, 123,915.44 and 22,639.21

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Solution

The fourth proportional to 82,610.23, 123,915.44 and 22,639.21 is: 33,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,610.23 : 123,915.44 = 22,639.21 : x
  2. Step 2: Convert to fraction form
    82,610.23/123,915.44 = 22,639.21/x
  3. Step 3: Cross multiply
    82,610.23x = 123,915.44 × 22,639.21
  4. Step 4: Simplify right side
    82,610.23x = 2,805,347,668.40
  5. Step 5: Solve for x
    x = 2,805,347,668.40/82,610.23
  6. Step 6: Final answer
    x = 33,958.84

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1.5x scale

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.