Home / 56,918.20-85,377.30-27,393.70

Finding the Fourth Proportional to 56,918.20, 85,377.30 and 27,393.70

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Solution

The fourth proportional to 56,918.20, 85,377.30 and 27,393.70 is: 41,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.20 : 85,377.30 = 27,393.70 : x
  2. Step 2: Convert to fraction form
    56,918.20/85,377.30 = 27,393.70/x
  3. Step 3: Cross multiply
    56,918.20x = 85,377.30 × 27,393.70
  4. Step 4: Simplify right side
    56,918.20x = 2,338,800,143.01
  5. Step 5: Solve for x
    x = 2,338,800,143.01/56,918.20
  6. Step 6: Final answer
    x = 41,090.55

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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.