Finding the Fourth Proportional to 107,684.88, 161,527.68 and 52,242
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Solution
The fourth proportional to 107,684.88, 161,527.68 and 52,242 is: 78,363.17
Step by Step Solution
- Step 1: Write the proportion equation
107,684.88 : 161,527.68 = 52,242 : x - Step 2: Convert to fraction form
107,684.88/161,527.68 = 52,242/x - Step 3: Cross multiply
107,684.88x = 161,527.68 × 52,242 - Step 4: Simplify right side
107,684.88x = 8,438,529,058.56 - Step 5: Solve for x
x = 8,438,529,058.56/107,684.88 - Step 6: Final answer
x = 78,363.17
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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.