Home / 71,198.36-98,256.81-39,367.25

Finding the Fourth Proportional to 71,198.36, 98,256.81 and 39,367.25

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Solution

The fourth proportional to 71,198.36, 98,256.81 and 39,367.25 is: 54,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,198.36 : 98,256.81 = 39,367.25 : x
  2. Step 2: Convert to fraction form
    71,198.36/98,256.81 = 39,367.25/x
  3. Step 3: Cross multiply
    71,198.36x = 98,256.81 × 39,367.25
  4. Step 4: Simplify right side
    71,198.36x = 3,868,100,206.64
  5. Step 5: Solve for x
    x = 3,868,100,206.64/71,198.36
  6. Step 6: Final answer
    x = 54,328.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.