Finding the Fourth Proportional to 75,898.70, 106,413.70 and 75,898.70
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Solution
The fourth proportional to 75,898.70, 106,413.70 and 75,898.70 is: 106,413.70
Step by Step Solution
- Step 1: Write the proportion equation
75,898.70 : 106,413.70 = 75,898.70 : x - Step 2: Convert to fraction form
75,898.70/106,413.70 = 75,898.70/x - Step 3: Cross multiply
75,898.70x = 106,413.70 × 75,898.70 - Step 4: Simplify right side
75,898.70x = 8,076,661,492.19 - Step 5: Solve for x
x = 8,076,661,492.19/75,898.70 - Step 6: Final answer
x = 106,413.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.