Home / 89,957.21-124,142.88-49,673.54

Finding the Fourth Proportional to 89,957.21, 124,142.88 and 49,673.54

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Solution

The fourth proportional to 89,957.21, 124,142.88 and 49,673.54 is: 68,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,957.21 : 124,142.88 = 49,673.54 : x
  2. Step 2: Convert to fraction form
    89,957.21/124,142.88 = 49,673.54/x
  3. Step 3: Cross multiply
    89,957.21x = 124,142.88 × 49,673.54
  4. Step 4: Simplify right side
    89,957.21x = 6,166,615,694.68
  5. Step 5: Solve for x
    x = 6,166,615,694.68/89,957.21
  6. Step 6: Final answer
    x = 68,550.55

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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.