Home / 86,821.82-130,237.77-33,514.05

Finding the Fourth Proportional to 86,821.82, 130,237.77 and 33,514.05

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Solution

The fourth proportional to 86,821.82, 130,237.77 and 33,514.05 is: 50,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,821.82 : 130,237.77 = 33,514.05 : x
  2. Step 2: Convert to fraction form
    86,821.82/130,237.77 = 33,514.05/x
  3. Step 3: Cross multiply
    86,821.82x = 130,237.77 × 33,514.05
  4. Step 4: Simplify right side
    86,821.82x = 4,364,795,749.74
  5. Step 5: Solve for x
    x = 4,364,795,749.74/86,821.82
  6. Step 6: Final answer
    x = 50,273.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.