Home / 54,175.51-74,770.37-31,201.07

Finding the Fourth Proportional to 54,175.51, 74,770.37 and 31,201.07

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Solution

The fourth proportional to 54,175.51, 74,770.37 and 31,201.07 is: 43,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.51 : 74,770.37 = 31,201.07 : x
  2. Step 2: Convert to fraction form
    54,175.51/74,770.37 = 31,201.07/x
  3. Step 3: Cross multiply
    54,175.51x = 74,770.37 × 31,201.07
  4. Step 4: Simplify right side
    54,175.51x = 2,332,915,548.30
  5. Step 5: Solve for x
    x = 2,332,915,548.30/54,175.51
  6. Step 6: Final answer
    x = 43,062.18

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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.