Finding the Fourth Proportional to 88,631.07, 122,312.34 and 48,344.82
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Solution
The fourth proportional to 88,631.07, 122,312.34 and 48,344.82 is: 66,716.65
Step by Step Solution
- Step 1: Write the proportion equation
88,631.07 : 122,312.34 = 48,344.82 : x - Step 2: Convert to fraction form
88,631.07/122,312.34 = 48,344.82/x - Step 3: Cross multiply
88,631.07x = 122,312.34 × 48,344.82 - Step 4: Simplify right side
88,631.07x = 5,913,168,061.08 - Step 5: Solve for x
x = 5,913,168,061.08/88,631.07 - Step 6: Final answer
x = 66,716.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.