Home / 54,990.88-75,887.62-29,840.38

Finding the Fourth Proportional to 54,990.88, 75,887.62 and 29,840.38

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Solution

The fourth proportional to 54,990.88, 75,887.62 and 29,840.38 is: 41,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,990.88 : 75,887.62 = 29,840.38 : x
  2. Step 2: Convert to fraction form
    54,990.88/75,887.62 = 29,840.38/x
  3. Step 3: Cross multiply
    54,990.88x = 75,887.62 × 29,840.38
  4. Step 4: Simplify right side
    54,990.88x = 2,264,515,418.10
  5. Step 5: Solve for x
    x = 2,264,515,418.10/54,990.88
  6. Step 6: Final answer
    x = 41,179.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.