Home / 89,107.54-122,968.32-48,823.81

Finding the Fourth Proportional to 89,107.54, 122,968.32 and 48,823.81

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Solution

The fourth proportional to 89,107.54, 122,968.32 and 48,823.81 is: 67,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,107.54 : 122,968.32 = 48,823.81 : x
  2. Step 2: Convert to fraction form
    89,107.54/122,968.32 = 48,823.81/x
  3. Step 3: Cross multiply
    89,107.54x = 122,968.32 × 48,823.81
  4. Step 4: Simplify right side
    89,107.54x = 6,003,781,891.70
  5. Step 5: Solve for x
    x = 6,003,781,891.70/89,107.54
  6. Step 6: Final answer
    x = 67,376.81

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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.