Finding the Fourth Proportional to 91,429.02, 126,182.52 and 51,152.99
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Solution
The fourth proportional to 91,429.02, 126,182.52 and 51,152.99 is: 70,596.99
Step by Step Solution
- Step 1: Write the proportion equation
91,429.02 : 126,182.52 = 51,152.99 : x - Step 2: Convert to fraction form
91,429.02/126,182.52 = 51,152.99/x - Step 3: Cross multiply
91,429.02x = 126,182.52 × 51,152.99 - Step 4: Simplify right side
91,429.02x = 6,454,613,183.73 - Step 5: Solve for x
x = 6,454,613,183.73/91,429.02 - Step 6: Final answer
x = 70,596.99
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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.