Finding the Fourth Proportional to 96,680.25, 133,420.19 and 53,662.53
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Solution
The fourth proportional to 96,680.25, 133,420.19 and 53,662.53 is: 74,055.09
Step by Step Solution
- Step 1: Write the proportion equation
96,680.25 : 133,420.19 = 53,662.53 : x - Step 2: Convert to fraction form
96,680.25/133,420.19 = 53,662.53/x - Step 3: Cross multiply
96,680.25x = 133,420.19 × 53,662.53 - Step 4: Simplify right side
96,680.25x = 7,159,664,680.17 - Step 5: Solve for x
x = 7,159,664,680.17/96,680.25 - Step 6: Final answer
x = 74,055.09
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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.