Home / 72,085.28-108,103.01-27,098.69

Finding the Fourth Proportional to 72,085.28, 108,103.01 and 27,098.69

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Solution

The fourth proportional to 72,085.28, 108,103.01 and 27,098.69 is: 40,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,085.28 : 108,103.01 = 27,098.69 : x
  2. Step 2: Convert to fraction form
    72,085.28/108,103.01 = 27,098.69/x
  3. Step 3: Cross multiply
    72,085.28x = 108,103.01 × 27,098.69
  4. Step 4: Simplify right side
    72,085.28x = 2,929,449,280.05
  5. Step 5: Solve for x
    x = 2,929,449,280.05/72,085.28
  6. Step 6: Final answer
    x = 40,638.66

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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.