Home / 89,735.85-123,835.22-49,449.60

Finding the Fourth Proportional to 89,735.85, 123,835.22 and 49,449.60

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Solution

The fourth proportional to 89,735.85, 123,835.22 and 49,449.60 is: 68,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,735.85 : 123,835.22 = 49,449.60 : x
  2. Step 2: Convert to fraction form
    89,735.85/123,835.22 = 49,449.60/x
  3. Step 3: Cross multiply
    89,735.85x = 123,835.22 × 49,449.60
  4. Step 4: Simplify right side
    89,735.85x = 6,123,602,137.70
  5. Step 5: Solve for x
    x = 6,123,602,137.70/89,735.85
  6. Step 6: Final answer
    x = 68,240.31

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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.