Finding the Fourth Proportional to 88,956.81, 133,402.88 and 29,778.42
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Solution
The fourth proportional to 88,956.81, 133,402.88 and 29,778.42 is: 44,656.80
Step by Step Solution
- Step 1: Write the proportion equation
88,956.81 : 133,402.88 = 29,778.42 : x - Step 2: Convert to fraction form
88,956.81/133,402.88 = 29,778.42/x - Step 3: Cross multiply
88,956.81x = 133,402.88 × 29,778.42 - Step 4: Simplify right side
88,956.81x = 3,972,526,840.96 - Step 5: Solve for x
x = 3,972,526,840.96/88,956.81 - Step 6: Final answer
x = 44,656.80
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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.