Home / 77,356.45-106,759.47-43,365.03

Finding the Fourth Proportional to 77,356.45, 106,759.47 and 43,365.03

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Solution

The fourth proportional to 77,356.45, 106,759.47 and 43,365.03 is: 59,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,356.45 : 106,759.47 = 43,365.03 : x
  2. Step 2: Convert to fraction form
    77,356.45/106,759.47 = 43,365.03/x
  3. Step 3: Cross multiply
    77,356.45x = 106,759.47 × 43,365.03
  4. Step 4: Simplify right side
    77,356.45x = 4,629,627,619.33
  5. Step 5: Solve for x
    x = 4,629,627,619.33/77,356.45
  6. Step 6: Final answer
    x = 59,847.98

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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.