Finding the Fourth Proportional to 84,350.70, 116,400.42 and 48,541.95
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Solution
The fourth proportional to 84,350.70, 116,400.42 and 48,541.95 is: 66,985.85
Step by Step Solution
- Step 1: Write the proportion equation
84,350.70 : 116,400.42 = 48,541.95 : x - Step 2: Convert to fraction form
84,350.70/116,400.42 = 48,541.95/x - Step 3: Cross multiply
84,350.70x = 116,400.42 × 48,541.95 - Step 4: Simplify right side
84,350.70x = 5,650,303,367.62 - Step 5: Solve for x
x = 5,650,303,367.62/84,350.70 - Step 6: Final answer
x = 66,985.85
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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.