Home / 49,579.62-68,400.09-31,669.98

Finding the Fourth Proportional to 49,579.62, 68,400.09 and 31,669.98

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Solution

The fourth proportional to 49,579.62, 68,400.09 and 31,669.98 is: 43,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.62 : 68,400.09 = 31,669.98 : x
  2. Step 2: Convert to fraction form
    49,579.62/68,400.09 = 31,669.98/x
  3. Step 3: Cross multiply
    49,579.62x = 68,400.09 × 31,669.98
  4. Step 4: Simplify right side
    49,579.62x = 2,166,229,482.30
  5. Step 5: Solve for x
    x = 2,166,229,482.30/49,579.62
  6. Step 6: Final answer
    x = 43,691.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.