Home / 67,939.44-101,720.20-34,587.72

Finding the Fourth Proportional to 67,939.44, 101,720.20 and 34,587.72

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Solution

The fourth proportional to 67,939.44, 101,720.20 and 34,587.72 is: 51,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,939.44 : 101,720.20 = 34,587.72 : x
  2. Step 2: Convert to fraction form
    67,939.44/101,720.20 = 34,587.72/x
  3. Step 3: Cross multiply
    67,939.44x = 101,720.20 × 34,587.72
  4. Step 4: Simplify right side
    67,939.44x = 3,518,269,795.94
  5. Step 5: Solve for x
    x = 3,518,269,795.94/67,939.44
  6. Step 6: Final answer
    x = 51,785.38

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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.