Home / 67,475.20-101,195.09-20,077.54

Finding the Fourth Proportional to 67,475.20, 101,195.09 and 20,077.54

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Solution

The fourth proportional to 67,475.20, 101,195.09 and 20,077.54 is: 30,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,475.20 : 101,195.09 = 20,077.54 : x
  2. Step 2: Convert to fraction form
    67,475.20/101,195.09 = 20,077.54/x
  3. Step 3: Cross multiply
    67,475.20x = 101,195.09 × 20,077.54
  4. Step 4: Simplify right side
    67,475.20x = 2,031,748,467.28
  5. Step 5: Solve for x
    x = 2,031,748,467.28/67,475.20
  6. Step 6: Final answer
    x = 30,111.04

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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.