Finding the Fourth Proportional to 97,020.43, 133,887.99 and 54,578.99
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Solution
The fourth proportional to 97,020.43, 133,887.99 and 54,578.99 is: 75,318.90
Step by Step Solution
- Step 1: Write the proportion equation
97,020.43 : 133,887.99 = 54,578.99 : x - Step 2: Convert to fraction form
97,020.43/133,887.99 = 54,578.99/x - Step 3: Cross multiply
97,020.43x = 133,887.99 × 54,578.99 - Step 4: Simplify right side
97,020.43x = 7,307,471,267.33 - Step 5: Solve for x
x = 7,307,471,267.33/97,020.43 - Step 6: Final answer
x = 75,318.90
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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.