Home / 71,540.36-98,672.50-50,031.22

Finding the Fourth Proportional to 71,540.36, 98,672.50 and 50,031.22

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Solution

The fourth proportional to 71,540.36, 98,672.50 and 50,031.22 is: 69,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,540.36 : 98,672.50 = 50,031.22 : x
  2. Step 2: Convert to fraction form
    71,540.36/98,672.50 = 50,031.22/x
  3. Step 3: Cross multiply
    71,540.36x = 98,672.50 × 50,031.22
  4. Step 4: Simplify right side
    71,540.36x = 4,936,705,697.03
  5. Step 5: Solve for x
    x = 4,936,705,697.03/71,540.36
  6. Step 6: Final answer
    x = 69,005.88

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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.