Home / 72,471.27-99,991.44-41,836.89

Finding the Fourth Proportional to 72,471.27, 99,991.44 and 41,836.89

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Solution

The fourth proportional to 72,471.27, 99,991.44 and 41,836.89 is: 57,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,471.27 : 99,991.44 = 41,836.89 : x
  2. Step 2: Convert to fraction form
    72,471.27/99,991.44 = 41,836.89/x
  3. Step 3: Cross multiply
    72,471.27x = 99,991.44 × 41,836.89
  4. Step 4: Simplify right side
    72,471.27x = 4,183,330,876.22
  5. Step 5: Solve for x
    x = 4,183,330,876.22/72,471.27
  6. Step 6: Final answer
    x = 57,723.99

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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.