Home / 82,284.28-123,407.16-23,125.60

Finding the Fourth Proportional to 82,284.28, 123,407.16 and 23,125.60

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Solution

The fourth proportional to 82,284.28, 123,407.16 and 23,125.60 is: 34,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,284.28 : 123,407.16 = 23,125.60 : x
  2. Step 2: Convert to fraction form
    82,284.28/123,407.16 = 23,125.60/x
  3. Step 3: Cross multiply
    82,284.28x = 123,407.16 × 23,125.60
  4. Step 4: Simplify right side
    82,284.28x = 2,853,864,619.30
  5. Step 5: Solve for x
    x = 2,853,864,619.30/82,284.28
  6. Step 6: Final answer
    x = 34,682.99

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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.