Home / 88,629.84-122,287.31-54,165.78

Finding the Fourth Proportional to 88,629.84, 122,287.31 and 54,165.78

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Solution

The fourth proportional to 88,629.84, 122,287.31 and 54,165.78 is: 74,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.84 : 122,287.31 = 54,165.78 : x
  2. Step 2: Convert to fraction form
    88,629.84/122,287.31 = 54,165.78/x
  3. Step 3: Cross multiply
    88,629.84x = 122,287.31 × 54,165.78
  4. Step 4: Simplify right side
    88,629.84x = 6,623,786,647.99
  5. Step 5: Solve for x
    x = 6,623,786,647.99/88,629.84
  6. Step 6: Final answer
    x = 74,735.41

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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.