Finding the Fourth Proportional to 91,468.68, 137,108.94 and 41,583.48
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Solution
The fourth proportional to 91,468.68, 137,108.94 and 41,583.48 is: 62,332.45
Step by Step Solution
- Step 1: Write the proportion equation
91,468.68 : 137,108.94 = 41,583.48 : x - Step 2: Convert to fraction form
91,468.68/137,108.94 = 41,583.48/x - Step 3: Cross multiply
91,468.68x = 137,108.94 × 41,583.48 - Step 4: Simplify right side
91,468.68x = 5,701,466,864.31 - Step 5: Solve for x
x = 5,701,466,864.31/91,468.68 - Step 6: Final answer
x = 62,332.45
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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.