Home / 77,390.68-116,086.04-51,089.27

Finding the Fourth Proportional to 77,390.68, 116,086.04 and 51,089.27

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Solution

The fourth proportional to 77,390.68, 116,086.04 and 51,089.27 is: 76,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,390.68 : 116,086.04 = 51,089.27 : x
  2. Step 2: Convert to fraction form
    77,390.68/116,086.04 = 51,089.27/x
  3. Step 3: Cross multiply
    77,390.68x = 116,086.04 × 51,089.27
  4. Step 4: Simplify right side
    77,390.68x = 5,930,751,458.73
  5. Step 5: Solve for x
    x = 5,930,751,458.73/77,390.68
  6. Step 6: Final answer
    x = 76,633.93

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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.