Home / 76,452.87-114,626.97-38,940.33

Finding the Fourth Proportional to 76,452.87, 114,626.97 and 38,940.33

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Solution

The fourth proportional to 76,452.87, 114,626.97 and 38,940.33 is: 58,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,452.87 : 114,626.97 = 38,940.33 : x
  2. Step 2: Convert to fraction form
    76,452.87/114,626.97 = 38,940.33/x
  3. Step 3: Cross multiply
    76,452.87x = 114,626.97 × 38,940.33
  4. Step 4: Simplify right side
    76,452.87x = 4,463,612,038.70
  5. Step 5: Solve for x
    x = 4,463,612,038.70/76,452.87
  6. Step 6: Final answer
    x = 58,383.84

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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.