Home / 67,312.24-100,904-25,180.88

Finding the Fourth Proportional to 67,312.24, 100,904 and 25,180.88

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Solution

The fourth proportional to 67,312.24, 100,904 and 25,180.88 is: 37,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.24 : 100,904 = 25,180.88 : x
  2. Step 2: Convert to fraction form
    67,312.24/100,904 = 25,180.88/x
  3. Step 3: Cross multiply
    67,312.24x = 100,904 × 25,180.88
  4. Step 4: Simplify right side
    67,312.24x = 2,540,851,515.52
  5. Step 5: Solve for x
    x = 2,540,851,515.52/67,312.24
  6. Step 6: Final answer
    x = 37,747.24

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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.