Home / 82,427.70-123,629.40-23,269.35

Finding the Fourth Proportional to 82,427.70, 123,629.40 and 23,269.35

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Solution

The fourth proportional to 82,427.70, 123,629.40 and 23,269.35 is: 34,900.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.70 : 123,629.40 = 23,269.35 : x
  2. Step 2: Convert to fraction form
    82,427.70/123,629.40 = 23,269.35/x
  3. Step 3: Cross multiply
    82,427.70x = 123,629.40 × 23,269.35
  4. Step 4: Simplify right side
    82,427.70x = 2,876,775,778.89
  5. Step 5: Solve for x
    x = 2,876,775,778.89/82,427.70
  6. Step 6: Final answer
    x = 34,900.60

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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.