Home / 49,899.36-68,865.84-28,691.04

Finding the Fourth Proportional to 49,899.36, 68,865.84 and 28,691.04

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Solution

The fourth proportional to 49,899.36, 68,865.84 and 28,691.04 is: 39,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,899.36 : 68,865.84 = 28,691.04 : x
  2. Step 2: Convert to fraction form
    49,899.36/68,865.84 = 28,691.04/x
  3. Step 3: Cross multiply
    49,899.36x = 68,865.84 × 28,691.04
  4. Step 4: Simplify right side
    49,899.36x = 1,975,832,570.07
  5. Step 5: Solve for x
    x = 1,975,832,570.07/49,899.36
  6. Step 6: Final answer
    x = 39,596.35

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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.