Home / 54,261.64-74,888.16-31,601.02

Finding the Fourth Proportional to 54,261.64, 74,888.16 and 31,601.02

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Solution

The fourth proportional to 54,261.64, 74,888.16 and 31,601.02 is: 43,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.64 : 74,888.16 = 31,601.02 : x
  2. Step 2: Convert to fraction form
    54,261.64/74,888.16 = 31,601.02/x
  3. Step 3: Cross multiply
    54,261.64x = 74,888.16 × 31,601.02
  4. Step 4: Simplify right side
    54,261.64x = 2,366,542,241.92
  5. Step 5: Solve for x
    x = 2,366,542,241.92/54,261.64
  6. Step 6: Final answer
    x = 43,613.54

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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.