Home / 49,888.98-68,858.60-28,680.57

Finding the Fourth Proportional to 49,888.98, 68,858.60 and 28,680.57

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Solution

The fourth proportional to 49,888.98, 68,858.60 and 28,680.57 is: 39,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,888.98 : 68,858.60 = 28,680.57 : x
  2. Step 2: Convert to fraction form
    49,888.98/68,858.60 = 28,680.57/x
  3. Step 3: Cross multiply
    49,888.98x = 68,858.60 × 28,680.57
  4. Step 4: Simplify right side
    49,888.98x = 1,974,903,754.00
  5. Step 5: Solve for x
    x = 1,974,903,754.00/49,888.98
  6. Step 6: Final answer
    x = 39,585.97

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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.