Home / 55,764.40-83,646.60-50,126.80

Finding the Fourth Proportional to 55,764.40, 83,646.60 and 50,126.80

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Solution

The fourth proportional to 55,764.40, 83,646.60 and 50,126.80 is: 75,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.40 : 83,646.60 = 50,126.80 : x
  2. Step 2: Convert to fraction form
    55,764.40/83,646.60 = 50,126.80/x
  3. Step 3: Cross multiply
    55,764.40x = 83,646.60 × 50,126.80
  4. Step 4: Simplify right side
    55,764.40x = 4,192,936,388.88
  5. Step 5: Solve for x
    x = 4,192,936,388.88/55,764.40
  6. Step 6: Final answer
    x = 75,190.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.