Finding the Fourth Proportional to 91,225.62, 136,782.48 and 32,068.08
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Solution
The fourth proportional to 91,225.62, 136,782.48 and 32,068.08 is: 48,082.45
Step by Step Solution
- Step 1: Write the proportion equation
91,225.62 : 136,782.48 = 32,068.08 : x - Step 2: Convert to fraction form
91,225.62/136,782.48 = 32,068.08/x - Step 3: Cross multiply
91,225.62x = 136,782.48 × 32,068.08 - Step 4: Simplify right side
91,225.62x = 4,386,351,511.24 - Step 5: Solve for x
x = 4,386,351,511.24/91,225.62 - Step 6: Final answer
x = 48,082.45
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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.