Home / 90,601.09-125,029.02-49,766.02

Finding the Fourth Proportional to 90,601.09, 125,029.02 and 49,766.02

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Solution

The fourth proportional to 90,601.09, 125,029.02 and 49,766.02 is: 68,676.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.09 : 125,029.02 = 49,766.02 : x
  2. Step 2: Convert to fraction form
    90,601.09/125,029.02 = 49,766.02/x
  3. Step 3: Cross multiply
    90,601.09x = 125,029.02 × 49,766.02
  4. Step 4: Simplify right side
    90,601.09x = 6,222,196,709.90
  5. Step 5: Solve for x
    x = 6,222,196,709.90/90,601.09
  6. Step 6: Final answer
    x = 68,676.84

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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.