Finding the Fourth Proportional to 75,511.84, 104,207.60 and 41,521.80
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Solution
The fourth proportional to 75,511.84, 104,207.60 and 41,521.80 is: 57,300.78
Step by Step Solution
- Step 1: Write the proportion equation
75,511.84 : 104,207.60 = 41,521.80 : x - Step 2: Convert to fraction form
75,511.84/104,207.60 = 41,521.80/x - Step 3: Cross multiply
75,511.84x = 104,207.60 × 41,521.80 - Step 4: Simplify right side
75,511.84x = 4,326,887,125.68 - Step 5: Solve for x
x = 4,326,887,125.68/75,511.84 - Step 6: Final answer
x = 57,300.78
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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.