Home / 69,722.30-104,572.44-30,268.82

Finding the Fourth Proportional to 69,722.30, 104,572.44 and 30,268.82

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Solution

The fourth proportional to 69,722.30, 104,572.44 and 30,268.82 is: 45,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,722.30 : 104,572.44 = 30,268.82 : x
  2. Step 2: Convert to fraction form
    69,722.30/104,572.44 = 30,268.82/x
  3. Step 3: Cross multiply
    69,722.30x = 104,572.44 × 30,268.82
  4. Step 4: Simplify right side
    69,722.30x = 3,165,284,363.32
  5. Step 5: Solve for x
    x = 3,165,284,363.32/69,722.30
  6. Step 6: Final answer
    x = 45,398.45

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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.