Home / 47,953.75-71,930.63-15,121.75

Finding the Fourth Proportional to 47,953.75, 71,930.63 and 15,121.75

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Solution

The fourth proportional to 47,953.75, 71,930.63 and 15,121.75 is: 22,682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,953.75 : 71,930.63 = 15,121.75 : x
  2. Step 2: Convert to fraction form
    47,953.75/71,930.63 = 15,121.75/x
  3. Step 3: Cross multiply
    47,953.75x = 71,930.63 × 15,121.75
  4. Step 4: Simplify right side
    47,953.75x = 1,087,717,004.20
  5. Step 5: Solve for x
    x = 1,087,717,004.20/47,953.75
  6. Step 6: Final answer
    x = 22,682.63

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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.