Finding the Fourth Proportional to 94,412.08, 141,617.87 and 66,456.75
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Solution
The fourth proportional to 94,412.08, 141,617.87 and 66,456.75 is: 99,684.95
Step by Step Solution
- Step 1: Write the proportion equation
94,412.08 : 141,617.87 = 66,456.75 : x - Step 2: Convert to fraction form
94,412.08/141,617.87 = 66,456.75/x - Step 3: Cross multiply
94,412.08x = 141,617.87 × 66,456.75 - Step 4: Simplify right side
94,412.08x = 9,411,463,830.12 - Step 5: Solve for x
x = 9,411,463,830.12/94,412.08 - Step 6: Final answer
x = 99,684.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.