Home / 50,161.52-75,191.72-31,454.78

Finding the Fourth Proportional to 50,161.52, 75,191.72 and 31,454.78

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Solution

The fourth proportional to 50,161.52, 75,191.72 and 31,454.78 is: 47,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,161.52 : 75,191.72 = 31,454.78 : x
  2. Step 2: Convert to fraction form
    50,161.52/75,191.72 = 31,454.78/x
  3. Step 3: Cross multiply
    50,161.52x = 75,191.72 × 31,454.78
  4. Step 4: Simplify right side
    50,161.52x = 2,365,139,010.42
  5. Step 5: Solve for x
    x = 2,365,139,010.42/50,161.52
  6. Step 6: Final answer
    x = 47,150.47

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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.