Finding the Fourth Proportional to 96,684.57, 133,449.21 and 66,070.08
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Solution
The fourth proportional to 96,684.57, 133,449.21 and 66,070.08 is: 91,193.45
Step by Step Solution
- Step 1: Write the proportion equation
96,684.57 : 133,449.21 = 66,070.08 : x - Step 2: Convert to fraction form
96,684.57/133,449.21 = 66,070.08/x - Step 3: Cross multiply
96,684.57x = 133,449.21 × 66,070.08 - Step 4: Simplify right side
96,684.57x = 8,816,999,980.64 - Step 5: Solve for x
x = 8,816,999,980.64/96,684.57 - Step 6: Final answer
x = 91,193.45
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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.