Home / 80,226.50-110,764.80-55,743.03

Finding the Fourth Proportional to 80,226.50, 110,764.80 and 55,743.03

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Solution

The fourth proportional to 80,226.50, 110,764.80 and 55,743.03 is: 76,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,226.50 : 110,764.80 = 55,743.03 : x
  2. Step 2: Convert to fraction form
    80,226.50/110,764.80 = 55,743.03/x
  3. Step 3: Cross multiply
    80,226.50x = 110,764.80 × 55,743.03
  4. Step 4: Simplify right side
    80,226.50x = 6,174,365,569.34
  5. Step 5: Solve for x
    x = 6,174,365,569.34/80,226.50
  6. Step 6: Final answer
    x = 76,961.68

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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.