Home / 77,317.72-115,779.66-50,942.52

Finding the Fourth Proportional to 77,317.72, 115,779.66 and 50,942.52

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Solution

The fourth proportional to 77,317.72, 115,779.66 and 50,942.52 is: 76,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,317.72 : 115,779.66 = 50,942.52 : x
  2. Step 2: Convert to fraction form
    77,317.72/115,779.66 = 50,942.52/x
  3. Step 3: Cross multiply
    77,317.72x = 115,779.66 × 50,942.52
  4. Step 4: Simplify right side
    77,317.72x = 5,898,107,645.14
  5. Step 5: Solve for x
    x = 5,898,107,645.14/77,317.72
  6. Step 6: Final answer
    x = 76,284.03

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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.