Finding the Fourth Proportional to 117,545.10, 162,211.74 and 63,829.68
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Solution
The fourth proportional to 117,545.10, 162,211.74 and 63,829.68 is: 88,084.69
Step by Step Solution
- Step 1: Write the proportion equation
117,545.10 : 162,211.74 = 63,829.68 : x - Step 2: Convert to fraction form
117,545.10/162,211.74 = 63,829.68/x - Step 3: Cross multiply
117,545.10x = 162,211.74 × 63,829.68 - Step 4: Simplify right side
117,545.10x = 10,353,923,456.44 - Step 5: Solve for x
x = 10,353,923,456.44/117,545.10 - Step 6: Final answer
x = 88,084.69
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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.