Finding the Fourth Proportional to 88,893.69, 133,336.99 and 48,991.78
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Solution
The fourth proportional to 88,893.69, 133,336.99 and 48,991.78 is: 73,485.71
Step by Step Solution
- Step 1: Write the proportion equation
88,893.69 : 133,336.99 = 48,991.78 : x - Step 2: Convert to fraction form
88,893.69/133,336.99 = 48,991.78/x - Step 3: Cross multiply
88,893.69x = 133,336.99 × 48,991.78 - Step 4: Simplify right side
88,893.69x = 6,532,416,057.26 - Step 5: Solve for x
x = 6,532,416,057.26/88,893.69 - Step 6: Final answer
x = 73,485.71
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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.