Home / 69,135.36-95,407.36-39,329.28

Finding the Fourth Proportional to 69,135.36, 95,407.36 and 39,329.28

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Solution

The fourth proportional to 69,135.36, 95,407.36 and 39,329.28 is: 54,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,135.36 : 95,407.36 = 39,329.28 : x
  2. Step 2: Convert to fraction form
    69,135.36/95,407.36 = 39,329.28/x
  3. Step 3: Cross multiply
    69,135.36x = 95,407.36 × 39,329.28
  4. Step 4: Simplify right side
    69,135.36x = 3,752,302,775.50
  5. Step 5: Solve for x
    x = 3,752,302,775.50/69,135.36
  6. Step 6: Final answer
    x = 54,274.73

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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.