Home / 84,010.25-115,909.43-50,001.63

Finding the Fourth Proportional to 84,010.25, 115,909.43 and 50,001.63

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Solution

The fourth proportional to 84,010.25, 115,909.43 and 50,001.63 is: 68,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010.25 : 115,909.43 = 50,001.63 : x
  2. Step 2: Convert to fraction form
    84,010.25/115,909.43 = 50,001.63/x
  3. Step 3: Cross multiply
    84,010.25x = 115,909.43 × 50,001.63
  4. Step 4: Simplify right side
    84,010.25x = 5,795,660,182.36
  5. Step 5: Solve for x
    x = 5,795,660,182.36/84,010.25
  6. Step 6: Final answer
    x = 68,987.54

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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.