Finding the Fourth Proportional to 91,769.63, 137,637.98 and 24,302.09
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Solution
The fourth proportional to 91,769.63, 137,637.98 and 24,302.09 is: 36,448.77
Step by Step Solution
- Step 1: Write the proportion equation
91,769.63 : 137,637.98 = 24,302.09 : x - Step 2: Convert to fraction form
91,769.63/137,637.98 = 24,302.09/x - Step 3: Cross multiply
91,769.63x = 137,637.98 × 24,302.09 - Step 4: Simplify right side
91,769.63x = 3,344,889,767.68 - Step 5: Solve for x
x = 3,344,889,767.68/91,769.63 - Step 6: Final answer
x = 36,448.77
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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.