Finding the Fourth Proportional to 84,492.69, 116,605.52 and 48,684.99
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Solution
The fourth proportional to 84,492.69, 116,605.52 and 48,684.99 is: 67,188.52
Step by Step Solution
- Step 1: Write the proportion equation
84,492.69 : 116,605.52 = 48,684.99 : x - Step 2: Convert to fraction form
84,492.69/116,605.52 = 48,684.99/x - Step 3: Cross multiply
84,492.69x = 116,605.52 × 48,684.99 - Step 4: Simplify right side
84,492.69x = 5,676,938,951.56 - Step 5: Solve for x
x = 5,676,938,951.56/84,492.69 - Step 6: Final answer
x = 67,188.52
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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.