Home / 50,215.20-75,323.23-12,775.31

Finding the Fourth Proportional to 50,215.20, 75,323.23 and 12,775.31

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Solution

The fourth proportional to 50,215.20, 75,323.23 and 12,775.31 is: 19,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,215.20 : 75,323.23 = 12,775.31 : x
  2. Step 2: Convert to fraction form
    50,215.20/75,323.23 = 12,775.31/x
  3. Step 3: Cross multiply
    50,215.20x = 75,323.23 × 12,775.31
  4. Step 4: Simplify right side
    50,215.20x = 962,277,613.45
  5. Step 5: Solve for x
    x = 962,277,613.45/50,215.20
  6. Step 6: Final answer
    x = 19,163.07

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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.