Home / 54,107.42-74,666.79-30,234.29

Finding the Fourth Proportional to 54,107.42, 74,666.79 and 30,234.29

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Solution

The fourth proportional to 54,107.42, 74,666.79 and 30,234.29 is: 41,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.42 : 74,666.79 = 30,234.29 : x
  2. Step 2: Convert to fraction form
    54,107.42/74,666.79 = 30,234.29/x
  3. Step 3: Cross multiply
    54,107.42x = 74,666.79 × 30,234.29
  4. Step 4: Simplify right side
    54,107.42x = 2,257,497,008.90
  5. Step 5: Solve for x
    x = 2,257,497,008.90/54,107.42
  6. Step 6: Final answer
    x = 41,722.51

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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.