Home / 80,125.44-120,004.14-40,021.33

Finding the Fourth Proportional to 80,125.44, 120,004.14 and 40,021.33

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Solution

The fourth proportional to 80,125.44, 120,004.14 and 40,021.33 is: 59,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,125.44 : 120,004.14 = 40,021.33 : x
  2. Step 2: Convert to fraction form
    80,125.44/120,004.14 = 40,021.33/x
  3. Step 3: Cross multiply
    80,125.44x = 120,004.14 × 40,021.33
  4. Step 4: Simplify right side
    80,125.44x = 4,802,725,250.82
  5. Step 5: Solve for x
    x = 4,802,725,250.82/80,125.44
  6. Step 6: Final answer
    x = 59,940.08

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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.