Home / 67,247.82-100,590.79-47,255.91

Finding the Fourth Proportional to 67,247.82, 100,590.79 and 47,255.91

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Solution

The fourth proportional to 67,247.82, 100,590.79 and 47,255.91 is: 70,686.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,247.82 : 100,590.79 = 47,255.91 : x
  2. Step 2: Convert to fraction form
    67,247.82/100,590.79 = 47,255.91/x
  3. Step 3: Cross multiply
    67,247.82x = 100,590.79 × 47,255.91
  4. Step 4: Simplify right side
    67,247.82x = 4,753,509,319.07
  5. Step 5: Solve for x
    x = 4,753,509,319.07/67,247.82
  6. Step 6: Final answer
    x = 70,686.44

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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.