Home / 54,369.92-75,031.08-30,171.32

Finding the Fourth Proportional to 54,369.92, 75,031.08 and 30,171.32

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Solution

The fourth proportional to 54,369.92, 75,031.08 and 30,171.32 is: 41,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.92 : 75,031.08 = 30,171.32 : x
  2. Step 2: Convert to fraction form
    54,369.92/75,031.08 = 30,171.32/x
  3. Step 3: Cross multiply
    54,369.92x = 75,031.08 × 30,171.32
  4. Step 4: Simplify right side
    54,369.92x = 2,263,786,724.63
  5. Step 5: Solve for x
    x = 2,263,786,724.63/54,369.92
  6. Step 6: Final answer
    x = 41,636.75

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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.