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Finding the Fourth Proportional to 72,682.73, 100,304.33 and 44,007.63

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Solution

The fourth proportional to 72,682.73, 100,304.33 and 44,007.63 is: 60,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,682.73 : 100,304.33 = 44,007.63 : x
  2. Step 2: Convert to fraction form
    72,682.73/100,304.33 = 44,007.63/x
  3. Step 3: Cross multiply
    72,682.73x = 100,304.33 × 44,007.63
  4. Step 4: Simplify right side
    72,682.73x = 4,414,155,952.06
  5. Step 5: Solve for x
    x = 4,414,155,952.06/72,682.73
  6. Step 6: Final answer
    x = 60,731.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.