Home / 72,497.27-100,046.09-40,236.84

Finding the Fourth Proportional to 72,497.27, 100,046.09 and 40,236.84

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Solution

The fourth proportional to 72,497.27, 100,046.09 and 40,236.84 is: 55,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497.27 : 100,046.09 = 40,236.84 : x
  2. Step 2: Convert to fraction form
    72,497.27/100,046.09 = 40,236.84/x
  3. Step 3: Cross multiply
    72,497.27x = 100,046.09 × 40,236.84
  4. Step 4: Simplify right side
    72,497.27x = 4,025,538,314.77
  5. Step 5: Solve for x
    x = 4,025,538,314.77/72,497.27
  6. Step 6: Final answer
    x = 55,526.76

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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.