Home / 55,829.20-83,743.80-50,126.80

Finding the Fourth Proportional to 55,829.20, 83,743.80 and 50,126.80

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Solution

The fourth proportional to 55,829.20, 83,743.80 and 50,126.80 is: 75,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,829.20 : 83,743.80 = 50,126.80 : x
  2. Step 2: Convert to fraction form
    55,829.20/83,743.80 = 50,126.80/x
  3. Step 3: Cross multiply
    55,829.20x = 83,743.80 × 50,126.80
  4. Step 4: Simplify right side
    55,829.20x = 4,197,808,713.84
  5. Step 5: Solve for x
    x = 4,197,808,713.84/55,829.20
  6. Step 6: Final answer
    x = 75,190.20

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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.