Home / 80,448.64-120,727.32-33,072.28

Finding the Fourth Proportional to 80,448.64, 120,727.32 and 33,072.28

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Solution

The fourth proportional to 80,448.64, 120,727.32 and 33,072.28 is: 49,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448.64 : 120,727.32 = 33,072.28 : x
  2. Step 2: Convert to fraction form
    80,448.64/120,727.32 = 33,072.28/x
  3. Step 3: Cross multiply
    80,448.64x = 120,727.32 × 33,072.28
  4. Step 4: Simplify right side
    80,448.64x = 3,992,727,730.69
  5. Step 5: Solve for x
    x = 3,992,727,730.69/80,448.64
  6. Step 6: Final answer
    x = 49,630.77

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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.