Home / 80,508.08-120,811.26-50,885.12

Finding the Fourth Proportional to 80,508.08, 120,811.26 and 50,885.12

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Solution

The fourth proportional to 80,508.08, 120,811.26 and 50,885.12 is: 76,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,508.08 : 120,811.26 = 50,885.12 : x
  2. Step 2: Convert to fraction form
    80,508.08/120,811.26 = 50,885.12/x
  3. Step 3: Cross multiply
    80,508.08x = 120,811.26 × 50,885.12
  4. Step 4: Simplify right side
    80,508.08x = 6,147,495,462.45
  5. Step 5: Solve for x
    x = 6,147,495,462.45/80,508.08
  6. Step 6: Final answer
    x = 76,358.74

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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.