Finding the Fourth Proportional to 69,535.89, 104,318.36 and 22,785.09
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Solution
The fourth proportional to 69,535.89, 104,318.36 and 22,785.09 is: 34,182.39
Step by Step Solution
- Step 1: Write the proportion equation
69,535.89 : 104,318.36 = 22,785.09 : x - Step 2: Convert to fraction form
69,535.89/104,318.36 = 22,785.09/x - Step 3: Cross multiply
69,535.89x = 104,318.36 × 22,785.09 - Step 4: Simplify right side
69,535.89x = 2,376,903,221.25 - Step 5: Solve for x
x = 2,376,903,221.25/69,535.89 - Step 6: Final answer
x = 34,182.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.