Home / 67,182.72-100,708.32-25,031.88

Finding the Fourth Proportional to 67,182.72, 100,708.32 and 25,031.88

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Solution

The fourth proportional to 67,182.72, 100,708.32 and 25,031.88 is: 37,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,182.72 : 100,708.32 = 25,031.88 : x
  2. Step 2: Convert to fraction form
    67,182.72/100,708.32 = 25,031.88/x
  3. Step 3: Cross multiply
    67,182.72x = 100,708.32 × 25,031.88
  4. Step 4: Simplify right side
    67,182.72x = 2,520,918,581.24
  5. Step 5: Solve for x
    x = 2,520,918,581.24/67,182.72
  6. Step 6: Final answer
    x = 37,523.32

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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.