Home / 89,006.06-122,815.46-50,759.54

Finding the Fourth Proportional to 89,006.06, 122,815.46 and 50,759.54

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Solution

The fourth proportional to 89,006.06, 122,815.46 and 50,759.54 is: 70,040.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.06 : 122,815.46 = 50,759.54 : x
  2. Step 2: Convert to fraction form
    89,006.06/122,815.46 = 50,759.54/x
  3. Step 3: Cross multiply
    89,006.06x = 122,815.46 × 50,759.54
  4. Step 4: Simplify right side
    89,006.06x = 6,234,056,254.49
  5. Step 5: Solve for x
    x = 6,234,056,254.49/89,006.06
  6. Step 6: Final answer
    x = 70,040.81

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1.5x scale

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.