Finding the Fourth Proportional to 117,572.41, 162,245.32 and 69,824.53
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Solution
The fourth proportional to 117,572.41, 162,245.32 and 69,824.53 is: 96,355.12
Step by Step Solution
- Step 1: Write the proportion equation
117,572.41 : 162,245.32 = 69,824.53 : x - Step 2: Convert to fraction form
117,572.41/162,245.32 = 69,824.53/x - Step 3: Cross multiply
117,572.41x = 162,245.32 × 69,824.53 - Step 4: Simplify right side
117,572.41x = 11,328,703,213.70 - Step 5: Solve for x
x = 11,328,703,213.70/117,572.41 - Step 6: Final answer
x = 96,355.12
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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.