Home / 54,103.32-74,662.95-30,231.00

Finding the Fourth Proportional to 54,103.32, 74,662.95 and 30,231.00

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Solution

The fourth proportional to 54,103.32, 74,662.95 and 30,231.00 is: 41,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.32 : 74,662.95 = 30,231.00 : x
  2. Step 2: Convert to fraction form
    54,103.32/74,662.95 = 30,231.00/x
  3. Step 3: Cross multiply
    54,103.32x = 74,662.95 × 30,231.00
  4. Step 4: Simplify right side
    54,103.32x = 2,257,135,268.14
  5. Step 5: Solve for x
    x = 2,257,135,268.14/54,103.32
  6. Step 6: Final answer
    x = 41,718.98

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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.