Home / 67,782.42-101,626.20-48,819.30

Finding the Fourth Proportional to 67,782.42, 101,626.20 and 48,819.30

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Solution

The fourth proportional to 67,782.42, 101,626.20 and 48,819.30 is: 73,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,782.42 : 101,626.20 = 48,819.30 : x
  2. Step 2: Convert to fraction form
    67,782.42/101,626.20 = 48,819.30/x
  3. Step 3: Cross multiply
    67,782.42x = 101,626.20 × 48,819.30
  4. Step 4: Simplify right side
    67,782.42x = 4,961,319,945.66
  5. Step 5: Solve for x
    x = 4,961,319,945.66/67,782.42
  6. Step 6: Final answer
    x = 73,194.79

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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.