Finding the Fourth Proportional to 93,992.24, 129,583.68 and 74,675.18
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Solution
The fourth proportional to 93,992.24, 129,583.68 and 74,675.18 is: 102,951.95
Step by Step Solution
- Step 1: Write the proportion equation
93,992.24 : 129,583.68 = 74,675.18 : x - Step 2: Convert to fraction form
93,992.24/129,583.68 = 74,675.18/x - Step 3: Cross multiply
93,992.24x = 129,583.68 × 74,675.18 - Step 4: Simplify right side
93,992.24x = 9,676,684,629.06 - Step 5: Solve for x
x = 9,676,684,629.06/93,992.24 - Step 6: Final answer
x = 102,951.95
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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.