Home / 56,750.55-84,961.80-55,110.30

Finding the Fourth Proportional to 56,750.55, 84,961.80 and 55,110.30

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Solution

The fourth proportional to 56,750.55, 84,961.80 and 55,110.30 is: 82,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,750.55 : 84,961.80 = 55,110.30 : x
  2. Step 2: Convert to fraction form
    56,750.55/84,961.80 = 55,110.30/x
  3. Step 3: Cross multiply
    56,750.55x = 84,961.80 × 55,110.30
  4. Step 4: Simplify right side
    56,750.55x = 4,682,270,286.54
  5. Step 5: Solve for x
    x = 4,682,270,286.54/56,750.55
  6. Step 6: Final answer
    x = 82,506.17

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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.