Home / 54,120.41-74,637.80-33,979.16

Finding the Fourth Proportional to 54,120.41, 74,637.80 and 33,979.16

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Solution

The fourth proportional to 54,120.41, 74,637.80 and 33,979.16 is: 46,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,120.41 : 74,637.80 = 33,979.16 : x
  2. Step 2: Convert to fraction form
    54,120.41/74,637.80 = 33,979.16/x
  3. Step 3: Cross multiply
    54,120.41x = 74,637.80 × 33,979.16
  4. Step 4: Simplify right side
    54,120.41x = 2,536,129,205.16
  5. Step 5: Solve for x
    x = 2,536,129,205.16/54,120.41
  6. Step 6: Final answer
    x = 46,860.87

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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.