Home / 90,516.06-124,912.32-50,229.90

Finding the Fourth Proportional to 90,516.06, 124,912.32 and 50,229.90

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Solution

The fourth proportional to 90,516.06, 124,912.32 and 50,229.90 is: 69,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,516.06 : 124,912.32 = 50,229.90 : x
  2. Step 2: Convert to fraction form
    90,516.06/124,912.32 = 50,229.90/x
  3. Step 3: Cross multiply
    90,516.06x = 124,912.32 × 50,229.90
  4. Step 4: Simplify right side
    90,516.06x = 6,274,333,342.37
  5. Step 5: Solve for x
    x = 6,274,333,342.37/90,516.06
  6. Step 6: Final answer
    x = 69,317.35

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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.