Finding the Fourth Proportional to 79,074.19, 118,655.07 and 32,359.87
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Solution
The fourth proportional to 79,074.19, 118,655.07 and 32,359.87 is: 48,557.72
Step by Step Solution
- Step 1: Write the proportion equation
79,074.19 : 118,655.07 = 32,359.87 : x - Step 2: Convert to fraction form
79,074.19/118,655.07 = 32,359.87/x - Step 3: Cross multiply
79,074.19x = 118,655.07 × 32,359.87 - Step 4: Simplify right side
79,074.19x = 3,839,662,640.04 - Step 5: Solve for x
x = 3,839,662,640.04/79,074.19 - Step 6: Final answer
x = 48,557.72
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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.