Home / 77,754.24-116,614.08-32,768.64

Finding the Fourth Proportional to 77,754.24, 116,614.08 and 32,768.64

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Solution

The fourth proportional to 77,754.24, 116,614.08 and 32,768.64 is: 49,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,754.24 : 116,614.08 = 32,768.64 : x
  2. Step 2: Convert to fraction form
    77,754.24/116,614.08 = 32,768.64/x
  3. Step 3: Cross multiply
    77,754.24x = 116,614.08 × 32,768.64
  4. Step 4: Simplify right side
    77,754.24x = 3,821,284,806.45
  5. Step 5: Solve for x
    x = 3,821,284,806.45/77,754.24
  6. Step 6: Final answer
    x = 49,145.68

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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.