Home / 77,629.21-116,468.41-27,708.20

Finding the Fourth Proportional to 77,629.21, 116,468.41 and 27,708.20

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Solution

The fourth proportional to 77,629.21, 116,468.41 and 27,708.20 is: 41,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,629.21 : 116,468.41 = 27,708.20 : x
  2. Step 2: Convert to fraction form
    77,629.21/116,468.41 = 27,708.20/x
  3. Step 3: Cross multiply
    77,629.21x = 116,468.41 × 27,708.20
  4. Step 4: Simplify right side
    77,629.21x = 3,227,129,415.62
  5. Step 5: Solve for x
    x = 3,227,129,415.62/77,629.21
  6. Step 6: Final answer
    x = 41,571.07

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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.