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Finding the Fourth Proportional to 75,879.77, 104,714.06 and 41,888.25

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Solution

The fourth proportional to 75,879.77, 104,714.06 and 41,888.25 is: 57,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,879.77 : 104,714.06 = 41,888.25 : x
  2. Step 2: Convert to fraction form
    75,879.77/104,714.06 = 41,888.25/x
  3. Step 3: Cross multiply
    75,879.77x = 104,714.06 × 41,888.25
  4. Step 4: Simplify right side
    75,879.77x = 4,386,288,514.35
  5. Step 5: Solve for x
    x = 4,386,288,514.35/75,879.77
  6. Step 6: Final answer
    x = 57,805.77

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1.5x scale

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.