Finding the Fourth Proportional to 71,750.88, 107,625.16 and 32,280.08
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Solution
The fourth proportional to 71,750.88, 107,625.16 and 32,280.08 is: 48,419.60
Step by Step Solution
- Step 1: Write the proportion equation
71,750.88 : 107,625.16 = 32,280.08 : x - Step 2: Convert to fraction form
71,750.88/107,625.16 = 32,280.08/x - Step 3: Cross multiply
71,750.88x = 107,625.16 × 32,280.08 - Step 4: Simplify right side
71,750.88x = 3,474,148,774.81 - Step 5: Solve for x
x = 3,474,148,774.81/71,750.88 - Step 6: Final answer
x = 48,419.60
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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.