Home / 54,919.15-75,785.49-31,044.40

Finding the Fourth Proportional to 54,919.15, 75,785.49 and 31,044.40

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Solution

The fourth proportional to 54,919.15, 75,785.49 and 31,044.40 is: 42,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.15 : 75,785.49 = 31,044.40 : x
  2. Step 2: Convert to fraction form
    54,919.15/75,785.49 = 31,044.40/x
  3. Step 3: Cross multiply
    54,919.15x = 75,785.49 × 31,044.40
  4. Step 4: Simplify right side
    54,919.15x = 2,352,714,876.29
  5. Step 5: Solve for x
    x = 2,352,714,876.29/54,919.15
  6. Step 6: Final answer
    x = 42,839.61

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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.