Finding the Fourth Proportional to 75,115.84, 103,658.40 and 41,582.08
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Solution
The fourth proportional to 75,115.84, 103,658.40 and 41,582.08 is: 57,382.46
Step by Step Solution
- Step 1: Write the proportion equation
75,115.84 : 103,658.40 = 41,582.08 : x - Step 2: Convert to fraction form
75,115.84/103,658.40 = 41,582.08/x - Step 3: Cross multiply
75,115.84x = 103,658.40 × 41,582.08 - Step 4: Simplify right side
75,115.84x = 4,310,331,881.47 - Step 5: Solve for x
x = 4,310,331,881.47/75,115.84 - Step 6: Final answer
x = 57,382.46
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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.