Home / 51,479.20-71,049.36-37,326.88

Finding the Fourth Proportional to 51,479.20, 71,049.36 and 37,326.88

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Solution

The fourth proportional to 51,479.20, 71,049.36 and 37,326.88 is: 51,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.20 : 71,049.36 = 37,326.88 : x
  2. Step 2: Convert to fraction form
    51,479.20/71,049.36 = 37,326.88/x
  3. Step 3: Cross multiply
    51,479.20x = 71,049.36 × 37,326.88
  4. Step 4: Simplify right side
    51,479.20x = 2,652,050,934.80
  5. Step 5: Solve for x
    x = 2,652,050,934.80/51,479.20
  6. Step 6: Final answer
    x = 51,516.94

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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.