Home / 67,747.86-101,627.06-20,359.26

Finding the Fourth Proportional to 67,747.86, 101,627.06 and 20,359.26

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Solution

The fourth proportional to 67,747.86, 101,627.06 and 20,359.26 is: 30,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,747.86 : 101,627.06 = 20,359.26 : x
  2. Step 2: Convert to fraction form
    67,747.86/101,627.06 = 20,359.26/x
  3. Step 3: Cross multiply
    67,747.86x = 101,627.06 × 20,359.26
  4. Step 4: Simplify right side
    67,747.86x = 2,069,051,635.78
  5. Step 5: Solve for x
    x = 2,069,051,635.78/67,747.86
  6. Step 6: Final answer
    x = 30,540.47

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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.