Home / 80,829.57-121,259.04-33,418.92

Finding the Fourth Proportional to 80,829.57, 121,259.04 and 33,418.92

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Solution

The fourth proportional to 80,829.57, 121,259.04 and 33,418.92 is: 50,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,829.57 : 121,259.04 = 33,418.92 : x
  2. Step 2: Convert to fraction form
    80,829.57/121,259.04 = 33,418.92/x
  3. Step 3: Cross multiply
    80,829.57x = 121,259.04 × 33,418.92
  4. Step 4: Simplify right side
    80,829.57x = 4,052,346,157.04
  5. Step 5: Solve for x
    x = 4,052,346,157.04/80,829.57
  6. Step 6: Final answer
    x = 50,134.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.