Home / 72,601.28-108,877.36-27,611.94

Finding the Fourth Proportional to 72,601.28, 108,877.36 and 27,611.94

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Solution

The fourth proportional to 72,601.28, 108,877.36 and 27,611.94 is: 41,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,601.28 : 108,877.36 = 27,611.94 : x
  2. Step 2: Convert to fraction form
    72,601.28/108,877.36 = 27,611.94/x
  3. Step 3: Cross multiply
    72,601.28x = 108,877.36 × 27,611.94
  4. Step 4: Simplify right side
    72,601.28x = 3,006,315,131.68
  5. Step 5: Solve for x
    x = 3,006,315,131.68/72,601.28
  6. Step 6: Final answer
    x = 41,408.57

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1.5x scale

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.