Home / 49,769.40-68,657.58-31,850.04

Finding the Fourth Proportional to 49,769.40, 68,657.58 and 31,850.04

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Solution

The fourth proportional to 49,769.40, 68,657.58 and 31,850.04 is: 43,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,769.40 : 68,657.58 = 31,850.04 : x
  2. Step 2: Convert to fraction form
    49,769.40/68,657.58 = 31,850.04/x
  3. Step 3: Cross multiply
    49,769.40x = 68,657.58 × 31,850.04
  4. Step 4: Simplify right side
    49,769.40x = 2,186,746,669.30
  5. Step 5: Solve for x
    x = 2,186,746,669.30/49,769.40
  6. Step 6: Final answer
    x = 43,937.57

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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.