Finding the Fourth Proportional to 76,072.74, 114,063.55 and 36,101.67
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Solution
The fourth proportional to 76,072.74, 114,063.55 and 36,101.67 is: 54,130.88
Step by Step Solution
- Step 1: Write the proportion equation
76,072.74 : 114,063.55 = 36,101.67 : x - Step 2: Convert to fraction form
76,072.74/114,063.55 = 36,101.67/x - Step 3: Cross multiply
76,072.74x = 114,063.55 × 36,101.67 - Step 4: Simplify right side
76,072.74x = 4,117,884,641.13 - Step 5: Solve for x
x = 4,117,884,641.13/76,072.74 - Step 6: Final answer
x = 54,130.88
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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.