Home / 89,912.89-124,080.24-49,626.73

Finding the Fourth Proportional to 89,912.89, 124,080.24 and 49,626.73

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Solution

The fourth proportional to 89,912.89, 124,080.24 and 49,626.73 is: 68,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,912.89 : 124,080.24 = 49,626.73 : x
  2. Step 2: Convert to fraction form
    89,912.89/124,080.24 = 49,626.73/x
  3. Step 3: Cross multiply
    89,912.89x = 124,080.24 × 49,626.73
  4. Step 4: Simplify right side
    89,912.89x = 6,157,696,568.82
  5. Step 5: Solve for x
    x = 6,157,696,568.82/89,912.89
  6. Step 6: Final answer
    x = 68,485.14

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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.