Home / 54,919.34-75,788.32-31,045.97

Finding the Fourth Proportional to 54,919.34, 75,788.32 and 31,045.97

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Solution

The fourth proportional to 54,919.34, 75,788.32 and 31,045.97 is: 42,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.34 : 75,788.32 = 31,045.97 : x
  2. Step 2: Convert to fraction form
    54,919.34/75,788.32 = 31,045.97/x
  3. Step 3: Cross multiply
    54,919.34x = 75,788.32 × 31,045.97
  4. Step 4: Simplify right side
    54,919.34x = 2,352,921,909.07
  5. Step 5: Solve for x
    x = 2,352,921,909.07/54,919.34
  6. Step 6: Final answer
    x = 42,843.23

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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.