Home / 49,388.94-68,156.10-28,168.56

Finding the Fourth Proportional to 49,388.94, 68,156.10 and 28,168.56

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Solution

The fourth proportional to 49,388.94, 68,156.10 and 28,168.56 is: 38,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.94 : 68,156.10 = 28,168.56 : x
  2. Step 2: Convert to fraction form
    49,388.94/68,156.10 = 28,168.56/x
  3. Step 3: Cross multiply
    49,388.94x = 68,156.10 × 28,168.56
  4. Step 4: Simplify right side
    49,388.94x = 1,919,859,192.22
  5. Step 5: Solve for x
    x = 1,919,859,192.22/49,388.94
  6. Step 6: Final answer
    x = 38,872.25

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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.