Finding the Fourth Proportional to 79,034.16, 118,551.11 and 36,900.12
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Solution
The fourth proportional to 79,034.16, 118,551.11 and 36,900.12 is: 55,350.12
Step by Step Solution
- Step 1: Write the proportion equation
79,034.16 : 118,551.11 = 36,900.12 : x - Step 2: Convert to fraction form
79,034.16/118,551.11 = 36,900.12/x - Step 3: Cross multiply
79,034.16x = 118,551.11 × 36,900.12 - Step 4: Simplify right side
79,034.16x = 4,374,550,000.63 - Step 5: Solve for x
x = 4,374,550,000.63/79,034.16 - Step 6: Final answer
x = 55,350.12
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1.5x scale
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.