Finding the Fourth Proportional to 76,251.48, 114,409.98 and 36,838.08
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Solution
The fourth proportional to 76,251.48, 114,409.98 and 36,838.08 is: 55,272.95
Step by Step Solution
- Step 1: Write the proportion equation
76,251.48 : 114,409.98 = 36,838.08 : x - Step 2: Convert to fraction form
76,251.48/114,409.98 = 36,838.08/x - Step 3: Cross multiply
76,251.48x = 114,409.98 × 36,838.08 - Step 4: Simplify right side
76,251.48x = 4,214,643,996.04 - Step 5: Solve for x
x = 4,214,643,996.04/76,251.48 - Step 6: Final answer
x = 55,272.95
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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.