Home / 51,272.30-76,908.45-50,120.30

Finding the Fourth Proportional to 51,272.30, 76,908.45 and 50,120.30

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Solution

The fourth proportional to 51,272.30, 76,908.45 and 50,120.30 is: 75,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,272.30 : 76,908.45 = 50,120.30 : x
  2. Step 2: Convert to fraction form
    51,272.30/76,908.45 = 50,120.30/x
  3. Step 3: Cross multiply
    51,272.30x = 76,908.45 × 50,120.30
  4. Step 4: Simplify right side
    51,272.30x = 3,854,674,586.54
  5. Step 5: Solve for x
    x = 3,854,674,586.54/51,272.30
  6. Step 6: Final answer
    x = 75,180.45

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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.