Home / 82,600.34-123,905.23-23,431.36

Finding the Fourth Proportional to 82,600.34, 123,905.23 and 23,431.36

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Solution

The fourth proportional to 82,600.34, 123,905.23 and 23,431.36 is: 35,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,600.34 : 123,905.23 = 23,431.36 : x
  2. Step 2: Convert to fraction form
    82,600.34/123,905.23 = 23,431.36/x
  3. Step 3: Cross multiply
    82,600.34x = 123,905.23 × 23,431.36
  4. Step 4: Simplify right side
    82,600.34x = 2,903,267,913.99
  5. Step 5: Solve for x
    x = 2,903,267,913.99/82,600.34
  6. Step 6: Final answer
    x = 35,148.38

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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.