Home / 69,136.36-95,408.74-39,330.28

Finding the Fourth Proportional to 69,136.36, 95,408.74 and 39,330.28

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Solution

The fourth proportional to 69,136.36, 95,408.74 and 39,330.28 is: 54,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,136.36 : 95,408.74 = 39,330.28 : x
  2. Step 2: Convert to fraction form
    69,136.36/95,408.74 = 39,330.28/x
  3. Step 3: Cross multiply
    69,136.36x = 95,408.74 × 39,330.28
  4. Step 4: Simplify right side
    69,136.36x = 3,752,452,458.65
  5. Step 5: Solve for x
    x = 3,752,452,458.65/69,136.36
  6. Step 6: Final answer
    x = 54,276.11

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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.