Home / 72,626.86-108,906.26-30,497.95

Finding the Fourth Proportional to 72,626.86, 108,906.26 and 30,497.95

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Solution

The fourth proportional to 72,626.86, 108,906.26 and 30,497.95 is: 45,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,626.86 : 108,906.26 = 30,497.95 : x
  2. Step 2: Convert to fraction form
    72,626.86/108,906.26 = 30,497.95/x
  3. Step 3: Cross multiply
    72,626.86x = 108,906.26 × 30,497.95
  4. Step 4: Simplify right side
    72,626.86x = 3,321,417,127.64
  5. Step 5: Solve for x
    x = 3,321,417,127.64/72,626.86
  6. Step 6: Final answer
    x = 45,732.63

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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.