Home / 80,215.55-110,772.46-51,584.93

Finding the Fourth Proportional to 80,215.55, 110,772.46 and 51,584.93

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Solution

The fourth proportional to 80,215.55, 110,772.46 and 51,584.93 is: 71,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,215.55 : 110,772.46 = 51,584.93 : x
  2. Step 2: Convert to fraction form
    80,215.55/110,772.46 = 51,584.93/x
  3. Step 3: Cross multiply
    80,215.55x = 110,772.46 × 51,584.93
  4. Step 4: Simplify right side
    80,215.55x = 5,714,189,105.65
  5. Step 5: Solve for x
    x = 5,714,189,105.65/80,215.55
  6. Step 6: Final answer
    x = 71,235.43

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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.