Home / 54,141.32-74,715.20-30,268.00

Finding the Fourth Proportional to 54,141.32, 74,715.20 and 30,268.00

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Solution

The fourth proportional to 54,141.32, 74,715.20 and 30,268.00 is: 41,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.32 : 74,715.20 = 30,268.00 : x
  2. Step 2: Convert to fraction form
    54,141.32/74,715.20 = 30,268.00/x
  3. Step 3: Cross multiply
    54,141.32x = 74,715.20 × 30,268.00
  4. Step 4: Simplify right side
    54,141.32x = 2,261,479,335.47
  5. Step 5: Solve for x
    x = 2,261,479,335.47/54,141.32
  6. Step 6: Final answer
    x = 41,769.93

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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.