Home / 77,865.44-107,456.55-43,874.33

Finding the Fourth Proportional to 77,865.44, 107,456.55 and 43,874.33

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Solution

The fourth proportional to 77,865.44, 107,456.55 and 43,874.33 is: 60,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,865.44 : 107,456.55 = 43,874.33 : x
  2. Step 2: Convert to fraction form
    77,865.44/107,456.55 = 43,874.33/x
  3. Step 3: Cross multiply
    77,865.44x = 107,456.55 × 43,874.33
  4. Step 4: Simplify right side
    77,865.44x = 4,714,584,404.00
  5. Step 5: Solve for x
    x = 4,714,584,404.00/77,865.44
  6. Step 6: Final answer
    x = 60,547.84

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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.