Home / 80,235.72-110,658.03-51,560.04

Finding the Fourth Proportional to 80,235.72, 110,658.03 and 51,560.04

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Solution

The fourth proportional to 80,235.72, 110,658.03 and 51,560.04 is: 71,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,235.72 : 110,658.03 = 51,560.04 : x
  2. Step 2: Convert to fraction form
    80,235.72/110,658.03 = 51,560.04/x
  3. Step 3: Cross multiply
    80,235.72x = 110,658.03 × 51,560.04
  4. Step 4: Simplify right side
    80,235.72x = 5,705,532,453.12
  5. Step 5: Solve for x
    x = 5,705,532,453.12/80,235.72
  6. Step 6: Final answer
    x = 71,109.63

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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.