Home / 77,795.25-107,351.07-43,792.88

Finding the Fourth Proportional to 77,795.25, 107,351.07 and 43,792.88

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Solution

The fourth proportional to 77,795.25, 107,351.07 and 43,792.88 is: 60,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,795.25 : 107,351.07 = 43,792.88 : x
  2. Step 2: Convert to fraction form
    77,795.25/107,351.07 = 43,792.88/x
  3. Step 3: Cross multiply
    77,795.25x = 107,351.07 × 43,792.88
  4. Step 4: Simplify right side
    77,795.25x = 4,701,211,989.63
  5. Step 5: Solve for x
    x = 4,701,211,989.63/77,795.25
  6. Step 6: Final answer
    x = 60,430.58

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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.