Home / 50,388.12-75,572.06-47,890.20

Finding the Fourth Proportional to 50,388.12, 75,572.06 and 47,890.20

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Solution

The fourth proportional to 50,388.12, 75,572.06 and 47,890.20 is: 71,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,388.12 : 75,572.06 = 47,890.20 : x
  2. Step 2: Convert to fraction form
    50,388.12/75,572.06 = 47,890.20/x
  3. Step 3: Cross multiply
    50,388.12x = 75,572.06 × 47,890.20
  4. Step 4: Simplify right side
    50,388.12x = 3,619,161,067.81
  5. Step 5: Solve for x
    x = 3,619,161,067.81/50,388.12
  6. Step 6: Final answer
    x = 71,825.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.