Home / 55,919.60-83,733.60-36,090.80

Finding the Fourth Proportional to 55,919.60, 83,733.60 and 36,090.80

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Solution

The fourth proportional to 55,919.60, 83,733.60 and 36,090.80 is: 54,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,919.60 : 83,733.60 = 36,090.80 : x
  2. Step 2: Convert to fraction form
    55,919.60/83,733.60 = 36,090.80/x
  3. Step 3: Cross multiply
    55,919.60x = 83,733.60 × 36,090.80
  4. Step 4: Simplify right side
    55,919.60x = 3,022,012,610.88
  5. Step 5: Solve for x
    x = 3,022,012,610.88/55,919.60
  6. Step 6: Final answer
    x = 54,042.10

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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.