Finding the Fourth Proportional to 102,545.26, 153,916.35 and 49,991.65
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Solution
The fourth proportional to 102,545.26, 153,916.35 and 49,991.65 is: 75,035.48
Step by Step Solution
- Step 1: Write the proportion equation
102,545.26 : 153,916.35 = 49,991.65 : x - Step 2: Convert to fraction form
102,545.26/153,916.35 = 49,991.65/x - Step 3: Cross multiply
102,545.26x = 153,916.35 × 49,991.65 - Step 4: Simplify right side
102,545.26x = 7,694,532,298.48 - Step 5: Solve for x
x = 7,694,532,298.48/102,545.26 - Step 6: Final answer
x = 75,035.48
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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.