Finding the Fourth Proportional to 93,046.14, 128,413.17 and 54,817.68
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Solution
The fourth proportional to 93,046.14, 128,413.17 and 54,817.68 is: 75,653.99
Step by Step Solution
- Step 1: Write the proportion equation
93,046.14 : 128,413.17 = 54,817.68 : x - Step 2: Convert to fraction form
93,046.14/128,413.17 = 54,817.68/x - Step 3: Cross multiply
93,046.14x = 128,413.17 × 54,817.68 - Step 4: Simplify right side
93,046.14x = 7,039,312,060.85 - Step 5: Solve for x
x = 7,039,312,060.85/93,046.14 - Step 6: Final answer
x = 75,653.99
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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.