Home / 80,694.48-121,054.64-33,960.72

Finding the Fourth Proportional to 80,694.48, 121,054.64 and 33,960.72

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Solution

The fourth proportional to 80,694.48, 121,054.64 and 33,960.72 is: 50,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,694.48 : 121,054.64 = 33,960.72 : x
  2. Step 2: Convert to fraction form
    80,694.48/121,054.64 = 33,960.72/x
  3. Step 3: Cross multiply
    80,694.48x = 121,054.64 × 33,960.72
  4. Step 4: Simplify right side
    80,694.48x = 4,111,102,733.74
  5. Step 5: Solve for x
    x = 4,111,102,733.74/80,694.48
  6. Step 6: Final answer
    x = 50,946.52

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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.