Home / 69,822.80-104,734.20-51,233.30

Finding the Fourth Proportional to 69,822.80, 104,734.20 and 51,233.30

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Solution

The fourth proportional to 69,822.80, 104,734.20 and 51,233.30 is: 76,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,822.80 : 104,734.20 = 51,233.30 : x
  2. Step 2: Convert to fraction form
    69,822.80/104,734.20 = 51,233.30/x
  3. Step 3: Cross multiply
    69,822.80x = 104,734.20 × 51,233.30
  4. Step 4: Simplify right side
    69,822.80x = 5,365,878,688.86
  5. Step 5: Solve for x
    x = 5,365,878,688.86/69,822.80
  6. Step 6: Final answer
    x = 76,849.95

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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.