Home / 54,879.91-75,733.41-31,005.16

Finding the Fourth Proportional to 54,879.91, 75,733.41 and 31,005.16

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Solution

The fourth proportional to 54,879.91, 75,733.41 and 31,005.16 is: 42,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.91 : 75,733.41 = 31,005.16 : x
  2. Step 2: Convert to fraction form
    54,879.91/75,733.41 = 31,005.16/x
  3. Step 3: Cross multiply
    54,879.91x = 75,733.41 × 31,005.16
  4. Step 4: Simplify right side
    54,879.91x = 2,348,126,494.40
  5. Step 5: Solve for x
    x = 2,348,126,494.40/54,879.91
  6. Step 6: Final answer
    x = 42,786.63

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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.