Finding the Fourth Proportional to 91,522.15, 126,300.63 and 51,235.99
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Solution
The fourth proportional to 91,522.15, 126,300.63 and 51,235.99 is: 70,705.70
Step by Step Solution
- Step 1: Write the proportion equation
91,522.15 : 126,300.63 = 51,235.99 : x - Step 2: Convert to fraction form
91,522.15/126,300.63 = 51,235.99/x - Step 3: Cross multiply
91,522.15x = 126,300.63 × 51,235.99 - Step 4: Simplify right side
91,522.15x = 6,471,137,815.67 - Step 5: Solve for x
x = 6,471,137,815.67/91,522.15 - Step 6: Final answer
x = 70,705.70
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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.