Home / 54,270.15-74,902.08-31,622.57

Finding the Fourth Proportional to 54,270.15, 74,902.08 and 31,622.57

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Solution

The fourth proportional to 54,270.15, 74,902.08 and 31,622.57 is: 43,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.15 : 74,902.08 = 31,622.57 : x
  2. Step 2: Convert to fraction form
    54,270.15/74,902.08 = 31,622.57/x
  3. Step 3: Cross multiply
    54,270.15x = 74,902.08 × 31,622.57
  4. Step 4: Simplify right side
    54,270.15x = 2,368,595,893.44
  5. Step 5: Solve for x
    x = 2,368,595,893.44/54,270.15
  6. Step 6: Final answer
    x = 43,644.54

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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.