Finding the Fourth Proportional to 93,683.26, 129,279.62 and 53,409.99
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Solution
The fourth proportional to 93,683.26, 129,279.62 and 53,409.99 is: 73,703.92
Step by Step Solution
- Step 1: Write the proportion equation
93,683.26 : 129,279.62 = 53,409.99 : x - Step 2: Convert to fraction form
93,683.26/129,279.62 = 53,409.99/x - Step 3: Cross multiply
93,683.26x = 129,279.62 × 53,409.99 - Step 4: Simplify right side
93,683.26x = 6,904,823,344.93 - Step 5: Solve for x
x = 6,904,823,344.93/93,683.26 - Step 6: Final answer
x = 73,703.92
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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.