Home / 80,239.42-110,722.69-47,967.66

Finding the Fourth Proportional to 80,239.42, 110,722.69 and 47,967.66

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Solution

The fourth proportional to 80,239.42, 110,722.69 and 47,967.66 is: 66,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,239.42 : 110,722.69 = 47,967.66 : x
  2. Step 2: Convert to fraction form
    80,239.42/110,722.69 = 47,967.66/x
  3. Step 3: Cross multiply
    80,239.42x = 110,722.69 × 47,967.66
  4. Step 4: Simplify right side
    80,239.42x = 5,311,108,408.16
  5. Step 5: Solve for x
    x = 5,311,108,408.16/80,239.42
  6. Step 6: Final answer
    x = 66,190.76

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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.