Home / 69,229.79-104,061.44-45,688.61

Finding the Fourth Proportional to 69,229.79, 104,061.44 and 45,688.61

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Solution

The fourth proportional to 69,229.79, 104,061.44 and 45,688.61 is: 68,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,229.79 : 104,061.44 = 45,688.61 : x
  2. Step 2: Convert to fraction form
    69,229.79/104,061.44 = 45,688.61/x
  3. Step 3: Cross multiply
    69,229.79x = 104,061.44 × 45,688.61
  4. Step 4: Simplify right side
    69,229.79x = 4,754,422,922.57
  5. Step 5: Solve for x
    x = 4,754,422,922.57/69,229.79
  6. Step 6: Final answer
    x = 68,675.97

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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.