Finding the Fourth Proportional to 75,447.80, 113,186.19 and 28,696.94
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Solution
The fourth proportional to 75,447.80, 113,186.19 and 28,696.94 is: 43,050.92
Step by Step Solution
- Step 1: Write the proportion equation
75,447.80 : 113,186.19 = 28,696.94 : x - Step 2: Convert to fraction form
75,447.80/113,186.19 = 28,696.94/x - Step 3: Cross multiply
75,447.80x = 113,186.19 × 28,696.94 - Step 4: Simplify right side
75,447.80x = 3,248,097,303.26 - Step 5: Solve for x
x = 3,248,097,303.26/75,447.80 - Step 6: Final answer
x = 43,050.92
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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.