Home / 54,031.64-74,474.43-36,120.11

Finding the Fourth Proportional to 54,031.64, 74,474.43 and 36,120.11

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Solution

The fourth proportional to 54,031.64, 74,474.43 and 36,120.11 is: 49,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.64 : 74,474.43 = 36,120.11 : x
  2. Step 2: Convert to fraction form
    54,031.64/74,474.43 = 36,120.11/x
  3. Step 3: Cross multiply
    54,031.64x = 74,474.43 × 36,120.11
  4. Step 4: Simplify right side
    54,031.64x = 2,690,024,231.42
  5. Step 5: Solve for x
    x = 2,690,024,231.42/54,031.64
  6. Step 6: Final answer
    x = 49,786.10

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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.