Home / 89,098.28-122,959.32-48,815.54

Finding the Fourth Proportional to 89,098.28, 122,959.32 and 48,815.54

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Solution

The fourth proportional to 89,098.28, 122,959.32 and 48,815.54 is: 67,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,098.28 : 122,959.32 = 48,815.54 : x
  2. Step 2: Convert to fraction form
    89,098.28/122,959.32 = 48,815.54/x
  3. Step 3: Cross multiply
    89,098.28x = 122,959.32 × 48,815.54
  4. Step 4: Simplify right side
    89,098.28x = 6,002,325,603.83
  5. Step 5: Solve for x
    x = 6,002,325,603.83/89,098.28
  6. Step 6: Final answer
    x = 67,367.47

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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.