Home / 56,766.02-85,119.39-21,198.06

Finding the Fourth Proportional to 56,766.02, 85,119.39 and 21,198.06

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Solution

The fourth proportional to 56,766.02, 85,119.39 and 21,198.06 is: 31,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.02 : 85,119.39 = 21,198.06 : x
  2. Step 2: Convert to fraction form
    56,766.02/85,119.39 = 21,198.06/x
  3. Step 3: Cross multiply
    56,766.02x = 85,119.39 × 21,198.06
  4. Step 4: Simplify right side
    56,766.02x = 1,804,365,936.38
  5. Step 5: Solve for x
    x = 1,804,365,936.38/56,766.02
  6. Step 6: Final answer
    x = 31,786.02

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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.