Home / 49,845.16-68,786.44-28,335.05

Finding the Fourth Proportional to 49,845.16, 68,786.44 and 28,335.05

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Solution

The fourth proportional to 49,845.16, 68,786.44 and 28,335.05 is: 39,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.16 : 68,786.44 = 28,335.05 : x
  2. Step 2: Convert to fraction form
    49,845.16/68,786.44 = 28,335.05/x
  3. Step 3: Cross multiply
    49,845.16x = 68,786.44 × 28,335.05
  4. Step 4: Simplify right side
    49,845.16x = 1,949,066,801.95
  5. Step 5: Solve for x
    x = 1,949,066,801.95/49,845.16
  6. Step 6: Final answer
    x = 39,102.43

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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.