Home / 54,174.80-74,548.68-47,902.16

Finding the Fourth Proportional to 54,174.80, 74,548.68 and 47,902.16

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Solution

The fourth proportional to 54,174.80, 74,548.68 and 47,902.16 is: 65,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.80 : 74,548.68 = 47,902.16 : x
  2. Step 2: Convert to fraction form
    54,174.80/74,548.68 = 47,902.16/x
  3. Step 3: Cross multiply
    54,174.80x = 74,548.68 × 47,902.16
  4. Step 4: Simplify right side
    54,174.80x = 3,571,042,797.15
  5. Step 5: Solve for x
    x = 3,571,042,797.15/54,174.80
  6. Step 6: Final answer
    x = 65,917.05

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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.