Home / 79,218.62-109,336.05-50,547.19

Finding the Fourth Proportional to 79,218.62, 109,336.05 and 50,547.19

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Solution

The fourth proportional to 79,218.62, 109,336.05 and 50,547.19 is: 69,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,218.62 : 109,336.05 = 50,547.19 : x
  2. Step 2: Convert to fraction form
    79,218.62/109,336.05 = 50,547.19/x
  3. Step 3: Cross multiply
    79,218.62x = 109,336.05 × 50,547.19
  4. Step 4: Simplify right side
    79,218.62x = 5,526,629,819.86
  5. Step 5: Solve for x
    x = 5,526,629,819.86/79,218.62
  6. Step 6: Final answer
    x = 69,764.28

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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.