Finding the Fourth Proportional to 93,772.26, 129,409.29 and 53,492.58
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Solution
The fourth proportional to 93,772.26, 129,409.29 and 53,492.58 is: 73,821.80
Step by Step Solution
- Step 1: Write the proportion equation
93,772.26 : 129,409.29 = 53,492.58 : x - Step 2: Convert to fraction form
93,772.26/129,409.29 = 53,492.58/x - Step 3: Cross multiply
93,772.26x = 129,409.29 × 53,492.58 - Step 4: Simplify right side
93,772.26x = 6,922,436,798.07 - Step 5: Solve for x
x = 6,922,436,798.07/93,772.26 - Step 6: Final answer
x = 73,821.80
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1.5x scale
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.