Home / 77,984.82-116,977.23-25,399.62

Finding the Fourth Proportional to 77,984.82, 116,977.23 and 25,399.62

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Solution

The fourth proportional to 77,984.82, 116,977.23 and 25,399.62 is: 38,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,984.82 : 116,977.23 = 25,399.62 : x
  2. Step 2: Convert to fraction form
    77,984.82/116,977.23 = 25,399.62/x
  3. Step 3: Cross multiply
    77,984.82x = 116,977.23 × 25,399.62
  4. Step 4: Simplify right side
    77,984.82x = 2,971,177,190.65
  5. Step 5: Solve for x
    x = 2,971,177,190.65/77,984.82
  6. Step 6: Final answer
    x = 38,099.43

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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.