Home / 77,795.25-107,351.06-43,792.87

Finding the Fourth Proportional to 77,795.25, 107,351.06 and 43,792.87

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Solution

The fourth proportional to 77,795.25, 107,351.06 and 43,792.87 is: 60,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,795.25 : 107,351.06 = 43,792.87 : x
  2. Step 2: Convert to fraction form
    77,795.25/107,351.06 = 43,792.87/x
  3. Step 3: Cross multiply
    77,795.25x = 107,351.06 × 43,792.87
  4. Step 4: Simplify right side
    77,795.25x = 4,701,211,014.94
  5. Step 5: Solve for x
    x = 4,701,211,014.94/77,795.25
  6. Step 6: Final answer
    x = 60,430.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.