Home / 75,072.97-112,610.20-30,669.38

Finding the Fourth Proportional to 75,072.97, 112,610.20 and 30,669.38

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Solution

The fourth proportional to 75,072.97, 112,610.20 and 30,669.38 is: 46,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,072.97 : 112,610.20 = 30,669.38 : x
  2. Step 2: Convert to fraction form
    75,072.97/112,610.20 = 30,669.38/x
  3. Step 3: Cross multiply
    75,072.97x = 112,610.20 × 30,669.38
  4. Step 4: Simplify right side
    75,072.97x = 3,453,685,015.68
  5. Step 5: Solve for x
    x = 3,453,685,015.68/75,072.97
  6. Step 6: Final answer
    x = 46,004.37

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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.