Finding the Fourth Proportional to 88,959.60, 133,488.65 and 36,405.99
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Solution
The fourth proportional to 88,959.60, 133,488.65 and 36,405.99 is: 54,629.14
Step by Step Solution
- Step 1: Write the proportion equation
88,959.60 : 133,488.65 = 36,405.99 : x - Step 2: Convert to fraction form
88,959.60/133,488.65 = 36,405.99/x - Step 3: Cross multiply
88,959.60x = 133,488.65 × 36,405.99 - Step 4: Simplify right side
88,959.60x = 4,859,786,548.03 - Step 5: Solve for x
x = 4,859,786,548.03/88,959.60 - Step 6: Final answer
x = 54,629.14
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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.