Home / 80,296.34-120,444.53-27,701.78

Finding the Fourth Proportional to 80,296.34, 120,444.53 and 27,701.78

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Solution

The fourth proportional to 80,296.34, 120,444.53 and 27,701.78 is: 41,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,296.34 : 120,444.53 = 27,701.78 : x
  2. Step 2: Convert to fraction form
    80,296.34/120,444.53 = 27,701.78/x
  3. Step 3: Cross multiply
    80,296.34x = 120,444.53 × 27,701.78
  4. Step 4: Simplify right side
    80,296.34x = 3,336,527,131.53
  5. Step 5: Solve for x
    x = 3,336,527,131.53/80,296.34
  6. Step 6: Final answer
    x = 41,552.67

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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.