Home / 80,604.55-111,236.54-46,609.76

Finding the Fourth Proportional to 80,604.55, 111,236.54 and 46,609.76

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Solution

The fourth proportional to 80,604.55, 111,236.54 and 46,609.76 is: 64,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,604.55 : 111,236.54 = 46,609.76 : x
  2. Step 2: Convert to fraction form
    80,604.55/111,236.54 = 46,609.76/x
  3. Step 3: Cross multiply
    80,604.55x = 111,236.54 × 46,609.76
  4. Step 4: Simplify right side
    80,604.55x = 5,184,708,739.85
  5. Step 5: Solve for x
    x = 5,184,708,739.85/80,604.55
  6. Step 6: Final answer
    x = 64,322.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.