Home / 95,778.96-143,693.92-78,942.68

Finding the Fourth Proportional to 95,778.96, 143,693.92 and 78,942.68

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Solution

The fourth proportional to 95,778.96, 143,693.92 and 78,942.68 is: 118,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,778.96 : 143,693.92 = 78,942.68 : x
  2. Step 2: Convert to fraction form
    95,778.96/143,693.92 = 78,942.68/x
  3. Step 3: Cross multiply
    95,778.96x = 143,693.92 × 78,942.68
  4. Step 4: Simplify right side
    95,778.96x = 11,343,583,144.51
  5. Step 5: Solve for x
    x = 11,343,583,144.51/95,778.96
  6. Step 6: Final answer
    x = 118,435.02

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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.