Home / 77,441.72-116,164.40-43,922.30

Finding the Fourth Proportional to 77,441.72, 116,164.40 and 43,922.30

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Solution

The fourth proportional to 77,441.72, 116,164.40 and 43,922.30 is: 65,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,441.72 : 116,164.40 = 43,922.30 : x
  2. Step 2: Convert to fraction form
    77,441.72/116,164.40 = 43,922.30/x
  3. Step 3: Cross multiply
    77,441.72x = 116,164.40 × 43,922.30
  4. Step 4: Simplify right side
    77,441.72x = 5,102,206,825.69
  5. Step 5: Solve for x
    x = 5,102,206,825.69/77,441.72
  6. Step 6: Final answer
    x = 65,884.48

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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.