Finding the Fourth Proportional to 93,855.25, 129,520.68 and 51,413.68
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Solution
The fourth proportional to 93,855.25, 129,520.68 and 51,413.68 is: 70,951.12
Step by Step Solution
- Step 1: Write the proportion equation
93,855.25 : 129,520.68 = 51,413.68 : x - Step 2: Convert to fraction form
93,855.25/129,520.68 = 51,413.68/x - Step 3: Cross multiply
93,855.25x = 129,520.68 × 51,413.68 - Step 4: Simplify right side
93,855.25x = 6,659,134,794.90 - Step 5: Solve for x
x = 6,659,134,794.90/93,855.25 - Step 6: Final answer
x = 70,951.12
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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.