Home / 69,427.50-104,146.11-27,874.50

Finding the Fourth Proportional to 69,427.50, 104,146.11 and 27,874.50

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Solution

The fourth proportional to 69,427.50, 104,146.11 and 27,874.50 is: 41,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,427.50 : 104,146.11 = 27,874.50 : x
  2. Step 2: Convert to fraction form
    69,427.50/104,146.11 = 27,874.50/x
  3. Step 3: Cross multiply
    69,427.50x = 104,146.11 × 27,874.50
  4. Step 4: Simplify right side
    69,427.50x = 2,903,020,743.20
  5. Step 5: Solve for x
    x = 2,903,020,743.20/69,427.50
  6. Step 6: Final answer
    x = 41,813.70

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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.