Finding the Fourth Proportional to 117,110.26, 175,639.12 and 53,869.64
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Solution
The fourth proportional to 117,110.26, 175,639.12 and 53,869.64 is: 80,792.38
Step by Step Solution
- Step 1: Write the proportion equation
117,110.26 : 175,639.12 = 53,869.64 : x - Step 2: Convert to fraction form
117,110.26/175,639.12 = 53,869.64/x - Step 3: Cross multiply
117,110.26x = 175,639.12 × 53,869.64 - Step 4: Simplify right side
117,110.26x = 9,461,616,468.74 - Step 5: Solve for x
x = 9,461,616,468.74/117,110.26 - Step 6: Final answer
x = 80,792.38
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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.