Home / 80,827.74-121,286.26-30,914.93

Finding the Fourth Proportional to 80,827.74, 121,286.26 and 30,914.93

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Solution

The fourth proportional to 80,827.74, 121,286.26 and 30,914.93 is: 46,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827.74 : 121,286.26 = 30,914.93 : x
  2. Step 2: Convert to fraction form
    80,827.74/121,286.26 = 30,914.93/x
  3. Step 3: Cross multiply
    80,827.74x = 121,286.26 × 30,914.93
  4. Step 4: Simplify right side
    80,827.74x = 3,749,556,579.72
  5. Step 5: Solve for x
    x = 3,749,556,579.72/80,827.74
  6. Step 6: Final answer
    x = 46,389.48

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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.