Finding the Fourth Proportional to 84,153.06, 116,141.50 and 48,342.99
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Solution
The fourth proportional to 84,153.06, 116,141.50 and 48,342.99 is: 66,719.23
Step by Step Solution
- Step 1: Write the proportion equation
84,153.06 : 116,141.50 = 48,342.99 : x - Step 2: Convert to fraction form
84,153.06/116,141.50 = 48,342.99/x - Step 3: Cross multiply
84,153.06x = 116,141.50 × 48,342.99 - Step 4: Simplify right side
84,153.06x = 5,614,627,131.37 - Step 5: Solve for x
x = 5,614,627,131.37/84,153.06 - Step 6: Final answer
x = 66,719.23
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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.