Home / 89,094-122,949.72-49,357.68

Finding the Fourth Proportional to 89,094, 122,949.72 and 49,357.68

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Solution

The fourth proportional to 89,094, 122,949.72 and 49,357.68 is: 68,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,094 : 122,949.72 = 49,357.68 : x
  2. Step 2: Convert to fraction form
    89,094/122,949.72 = 49,357.68/x
  3. Step 3: Cross multiply
    89,094x = 122,949.72 × 49,357.68
  4. Step 4: Simplify right side
    89,094x = 6,068,512,935.85
  5. Step 5: Solve for x
    x = 6,068,512,935.85/89,094
  6. Step 6: Final answer
    x = 68,113.60

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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.