Finding the Fourth Proportional to 79,108.08, 118,681.15 and 32,361.09
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Solution
The fourth proportional to 79,108.08, 118,681.15 and 32,361.09 is: 48,549.42
Step by Step Solution
- Step 1: Write the proportion equation
79,108.08 : 118,681.15 = 32,361.09 : x - Step 2: Convert to fraction form
79,108.08/118,681.15 = 32,361.09/x - Step 3: Cross multiply
79,108.08x = 118,681.15 × 32,361.09 - Step 4: Simplify right side
79,108.08x = 3,840,651,376.45 - Step 5: Solve for x
x = 3,840,651,376.45/79,108.08 - Step 6: Final answer
x = 48,549.42
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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.