Home / 54,141.81-74,714.99-30,268.23

Finding the Fourth Proportional to 54,141.81, 74,714.99 and 30,268.23

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Solution

The fourth proportional to 54,141.81, 74,714.99 and 30,268.23 is: 41,769.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,141.81 : 74,714.99 = 30,268.23 : x
  2. Step 2: Convert to fraction form
    54,141.81/74,714.99 = 30,268.23/x
  3. Step 3: Cross multiply
    54,141.81x = 74,714.99 × 30,268.23
  4. Step 4: Simplify right side
    54,141.81x = 2,261,490,350.43
  5. Step 5: Solve for x
    x = 2,261,490,350.43/54,141.81
  6. Step 6: Final answer
    x = 41,769.76

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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.