Home / 103,632.82-155,261.50-47,519.86

Finding the Fourth Proportional to 103,632.82, 155,261.50 and 47,519.86

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Solution

The fourth proportional to 103,632.82, 155,261.50 and 47,519.86 is: 71,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.82 : 155,261.50 = 47,519.86 : x
  2. Step 2: Convert to fraction form
    103,632.82/155,261.50 = 47,519.86/x
  3. Step 3: Cross multiply
    103,632.82x = 155,261.50 × 47,519.86
  4. Step 4: Simplify right side
    103,632.82x = 7,378,004,743.39
  5. Step 5: Solve for x
    x = 7,378,004,743.39/103,632.82
  6. Step 6: Final answer
    x = 71,193.71

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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.