Home / 83,010.66-113,975.93-80,845.62

Finding the Fourth Proportional to 83,010.66, 113,975.93 and 80,845.62

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Solution

The fourth proportional to 83,010.66, 113,975.93 and 80,845.62 is: 111,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,010.66 : 113,975.93 = 80,845.62 : x
  2. Step 2: Convert to fraction form
    83,010.66/113,975.93 = 80,845.62/x
  3. Step 3: Cross multiply
    83,010.66x = 113,975.93 × 80,845.62
  4. Step 4: Simplify right side
    83,010.66x = 9,214,454,725.93
  5. Step 5: Solve for x
    x = 9,214,454,725.93/83,010.66
  6. Step 6: Final answer
    x = 111,003.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.