Finding the Fourth Proportional to 71,916.24, 107,875.26 and 27,545.66
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Solution
The fourth proportional to 71,916.24, 107,875.26 and 27,545.66 is: 41,318.83
Step by Step Solution
- Step 1: Write the proportion equation
71,916.24 : 107,875.26 = 27,545.66 : x - Step 2: Convert to fraction form
71,916.24/107,875.26 = 27,545.66/x - Step 3: Cross multiply
71,916.24x = 107,875.26 × 27,545.66 - Step 4: Simplify right side
71,916.24x = 2,971,494,695.00 - Step 5: Solve for x
x = 2,971,494,695.00/71,916.24 - Step 6: Final answer
x = 41,318.83
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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.