Home / 54,118.80-74,684.79-30,247.02

Finding the Fourth Proportional to 54,118.80, 74,684.79 and 30,247.02

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Solution

The fourth proportional to 54,118.80, 74,684.79 and 30,247.02 is: 41,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118.80 : 74,684.79 = 30,247.02 : x
  2. Step 2: Convert to fraction form
    54,118.80/74,684.79 = 30,247.02/x
  3. Step 3: Cross multiply
    54,118.80x = 74,684.79 × 30,247.02
  4. Step 4: Simplify right side
    54,118.80x = 2,258,992,336.83
  5. Step 5: Solve for x
    x = 2,258,992,336.83/54,118.80
  6. Step 6: Final answer
    x = 41,741.36

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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.