Finding the Fourth Proportional to 76,343.84, 114,549.84 and 29,600.36
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Solution
The fourth proportional to 76,343.84, 114,549.84 and 29,600.36 is: 44,413.75
Step by Step Solution
- Step 1: Write the proportion equation
76,343.84 : 114,549.84 = 29,600.36 : x - Step 2: Convert to fraction form
76,343.84/114,549.84 = 29,600.36/x - Step 3: Cross multiply
76,343.84x = 114,549.84 × 29,600.36 - Step 4: Simplify right side
76,343.84x = 3,390,716,501.94 - Step 5: Solve for x
x = 3,390,716,501.94/76,343.84 - Step 6: Final answer
x = 44,413.75
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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.