Home / 82,600.20-123,905.01-23,431.23

Finding the Fourth Proportional to 82,600.20, 123,905.01 and 23,431.23

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Solution

The fourth proportional to 82,600.20, 123,905.01 and 23,431.23 is: 35,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,600.20 : 123,905.01 = 23,431.23 : x
  2. Step 2: Convert to fraction form
    82,600.20/123,905.01 = 23,431.23/x
  3. Step 3: Cross multiply
    82,600.20x = 123,905.01 × 23,431.23
  4. Step 4: Simplify right side
    82,600.20x = 2,903,246,787.46
  5. Step 5: Solve for x
    x = 2,903,246,787.46/82,600.20
  6. Step 6: Final answer
    x = 35,148.18

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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.