Home / 69,899.10-104,761.22-55,049.37

Finding the Fourth Proportional to 69,899.10, 104,761.22 and 55,049.37

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Solution

The fourth proportional to 69,899.10, 104,761.22 and 55,049.37 is: 82,505.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899.10 : 104,761.22 = 55,049.37 : x
  2. Step 2: Convert to fraction form
    69,899.10/104,761.22 = 55,049.37/x
  3. Step 3: Cross multiply
    69,899.10x = 104,761.22 × 55,049.37
  4. Step 4: Simplify right side
    69,899.10x = 5,767,038,886.18
  5. Step 5: Solve for x
    x = 5,767,038,886.18/69,899.10
  6. Step 6: Final answer
    x = 82,505.20

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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.