Home / 50,775.62-70,072.54-28,114.61

Finding the Fourth Proportional to 50,775.62, 70,072.54 and 28,114.61

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Solution

The fourth proportional to 50,775.62, 70,072.54 and 28,114.61 is: 38,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,775.62 : 70,072.54 = 28,114.61 : x
  2. Step 2: Convert to fraction form
    50,775.62/70,072.54 = 28,114.61/x
  3. Step 3: Cross multiply
    50,775.62x = 70,072.54 × 28,114.61
  4. Step 4: Simplify right side
    50,775.62x = 1,970,061,713.16
  5. Step 5: Solve for x
    x = 1,970,061,713.16/50,775.62
  6. Step 6: Final answer
    x = 38,799.37

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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.