Home / 80,873.09-111,608.30-45,063.13

Finding the Fourth Proportional to 80,873.09, 111,608.30 and 45,063.13

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Solution

The fourth proportional to 80,873.09, 111,608.30 and 45,063.13 is: 62,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873.09 : 111,608.30 = 45,063.13 : x
  2. Step 2: Convert to fraction form
    80,873.09/111,608.30 = 45,063.13/x
  3. Step 3: Cross multiply
    80,873.09x = 111,608.30 × 45,063.13
  4. Step 4: Simplify right side
    80,873.09x = 5,029,419,106.66
  5. Step 5: Solve for x
    x = 5,029,419,106.66/80,873.09
  6. Step 6: Final answer
    x = 62,189.03

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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.