Home / 80,812.26-111,513.77-46,809.88

Finding the Fourth Proportional to 80,812.26, 111,513.77 and 46,809.88

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Solution

The fourth proportional to 80,812.26, 111,513.77 and 46,809.88 is: 64,593.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,812.26 : 111,513.77 = 46,809.88 : x
  2. Step 2: Convert to fraction form
    80,812.26/111,513.77 = 46,809.88/x
  3. Step 3: Cross multiply
    80,812.26x = 111,513.77 × 46,809.88
  4. Step 4: Simplify right side
    80,812.26x = 5,219,946,192.05
  5. Step 5: Solve for x
    x = 5,219,946,192.05/80,812.26
  6. Step 6: Final answer
    x = 64,593.49

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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.