Finding the Fourth Proportional to 97,027.20, 133,891.92 and 54,583.20
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Solution
The fourth proportional to 97,027.20, 133,891.92 and 54,583.20 is: 75,321.66
Step by Step Solution
- Step 1: Write the proportion equation
97,027.20 : 133,891.92 = 54,583.20 : x - Step 2: Convert to fraction form
97,027.20/133,891.92 = 54,583.20/x - Step 3: Cross multiply
97,027.20x = 133,891.92 × 54,583.20 - Step 4: Simplify right side
97,027.20x = 7,308,249,447.74 - Step 5: Solve for x
x = 7,308,249,447.74/97,027.20 - Step 6: Final answer
x = 75,321.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.