Home / 75,879.27-104,712.78-41,887.74

Finding the Fourth Proportional to 75,879.27, 104,712.78 and 41,887.74

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Solution

The fourth proportional to 75,879.27, 104,712.78 and 41,887.74 is: 57,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,879.27 : 104,712.78 = 41,887.74 : x
  2. Step 2: Convert to fraction form
    75,879.27/104,712.78 = 41,887.74/x
  3. Step 3: Cross multiply
    75,879.27x = 104,712.78 × 41,887.74
  4. Step 4: Simplify right side
    75,879.27x = 4,386,181,703.32
  5. Step 5: Solve for x
    x = 4,386,181,703.32/75,879.27
  6. Step 6: Final answer
    x = 57,804.74

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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.