Home / 69,229.04-104,060.32-45,687.86

Finding the Fourth Proportional to 69,229.04, 104,060.32 and 45,687.86

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Solution

The fourth proportional to 69,229.04, 104,060.32 and 45,687.86 is: 68,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,229.04 : 104,060.32 = 45,687.86 : x
  2. Step 2: Convert to fraction form
    69,229.04/104,060.32 = 45,687.86/x
  3. Step 3: Cross multiply
    69,229.04x = 104,060.32 × 45,687.86
  4. Step 4: Simplify right side
    69,229.04x = 4,754,293,477.65
  5. Step 5: Solve for x
    x = 4,754,293,477.65/69,229.04
  6. Step 6: Final answer
    x = 68,674.85

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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.