Home / 49,945.03-68,926.23-28,724.31

Finding the Fourth Proportional to 49,945.03, 68,926.23 and 28,724.31

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Solution

The fourth proportional to 49,945.03, 68,926.23 and 28,724.31 is: 39,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,945.03 : 68,926.23 = 28,724.31 : x
  2. Step 2: Convert to fraction form
    49,945.03/68,926.23 = 28,724.31/x
  3. Step 3: Cross multiply
    49,945.03x = 68,926.23 × 28,724.31
  4. Step 4: Simplify right side
    49,945.03x = 1,979,858,397.65
  5. Step 5: Solve for x
    x = 1,979,858,397.65/49,945.03
  6. Step 6: Final answer
    x = 39,640.75

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1.5x scale

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.