Home / 75,036.97-112,513.91-30,694.87

Finding the Fourth Proportional to 75,036.97, 112,513.91 and 30,694.87

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Solution

The fourth proportional to 75,036.97, 112,513.91 and 30,694.87 is: 46,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,036.97 : 112,513.91 = 30,694.87 : x
  2. Step 2: Convert to fraction form
    75,036.97/112,513.91 = 30,694.87/x
  3. Step 3: Cross multiply
    75,036.97x = 112,513.91 × 30,694.87
  4. Step 4: Simplify right side
    75,036.97x = 3,453,599,367.58
  5. Step 5: Solve for x
    x = 3,453,599,367.58/75,036.97
  6. Step 6: Final answer
    x = 46,025.31

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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.