Home / 80,576.28-111,188.76-46,586.94

Finding the Fourth Proportional to 80,576.28, 111,188.76 and 46,586.94

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Solution

The fourth proportional to 80,576.28, 111,188.76 and 46,586.94 is: 64,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,576.28 : 111,188.76 = 46,586.94 : x
  2. Step 2: Convert to fraction form
    80,576.28/111,188.76 = 46,586.94/x
  3. Step 3: Cross multiply
    80,576.28x = 111,188.76 × 46,586.94
  4. Step 4: Simplify right side
    80,576.28x = 5,179,944,090.79
  5. Step 5: Solve for x
    x = 5,179,944,090.79/80,576.28
  6. Step 6: Final answer
    x = 64,286.22

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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.