Finding the Fourth Proportional to 92,891.04, 128,197.54 and 52,611.96
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Solution
The fourth proportional to 92,891.04, 128,197.54 and 52,611.96 is: 72,608.99
Step by Step Solution
- Step 1: Write the proportion equation
92,891.04 : 128,197.54 = 52,611.96 : x - Step 2: Convert to fraction form
92,891.04/128,197.54 = 52,611.96/x - Step 3: Cross multiply
92,891.04x = 128,197.54 × 52,611.96 - Step 4: Simplify right side
92,891.04x = 6,744,724,097.14 - Step 5: Solve for x
x = 6,744,724,097.14/92,891.04 - Step 6: Final answer
x = 72,608.99
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1.5x scale
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.