Finding the Fourth Proportional to 96,916.25, 133,741.99 and 53,895.80
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Solution
The fourth proportional to 96,916.25, 133,741.99 and 53,895.80 is: 74,374.85
Step by Step Solution
- Step 1: Write the proportion equation
96,916.25 : 133,741.99 = 53,895.80 : x - Step 2: Convert to fraction form
96,916.25/133,741.99 = 53,895.80/x - Step 3: Cross multiply
96,916.25x = 133,741.99 × 53,895.80 - Step 4: Simplify right side
96,916.25x = 7,208,131,544.64 - Step 5: Solve for x
x = 7,208,131,544.64/96,916.25 - Step 6: Final answer
x = 74,374.85
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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.