Home / 72,078.03-108,132.23-27,099.68

Finding the Fourth Proportional to 72,078.03, 108,132.23 and 27,099.68

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Solution

The fourth proportional to 72,078.03, 108,132.23 and 27,099.68 is: 40,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,078.03 : 108,132.23 = 27,099.68 : x
  2. Step 2: Convert to fraction form
    72,078.03/108,132.23 = 27,099.68/x
  3. Step 3: Cross multiply
    72,078.03x = 108,132.23 × 27,099.68
  4. Step 4: Simplify right side
    72,078.03x = 2,930,348,357.77
  5. Step 5: Solve for x
    x = 2,930,348,357.77/72,078.03
  6. Step 6: Final answer
    x = 40,655.22

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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.