Home / 54,975.08-75,865.62-31,101.26

Finding the Fourth Proportional to 54,975.08, 75,865.62 and 31,101.26

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Solution

The fourth proportional to 54,975.08, 75,865.62 and 31,101.26 is: 42,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.08 : 75,865.62 = 31,101.26 : x
  2. Step 2: Convert to fraction form
    54,975.08/75,865.62 = 31,101.26/x
  3. Step 3: Cross multiply
    54,975.08x = 75,865.62 × 31,101.26
  4. Step 4: Simplify right side
    54,975.08x = 2,359,516,372.68
  5. Step 5: Solve for x
    x = 2,359,516,372.68/54,975.08
  6. Step 6: Final answer
    x = 42,919.74

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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.