Finding the Fourth Proportional to 74,860.09, 103,306.94 and 41,326.09
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Solution
The fourth proportional to 74,860.09, 103,306.94 and 41,326.09 is: 57,030.01
Step by Step Solution
- Step 1: Write the proportion equation
74,860.09 : 103,306.94 = 41,326.09 : x - Step 2: Convert to fraction form
74,860.09/103,306.94 = 41,326.09/x - Step 3: Cross multiply
74,860.09x = 103,306.94 × 41,326.09 - Step 4: Simplify right side
74,860.09x = 4,269,271,383.53 - Step 5: Solve for x
x = 4,269,271,383.53/74,860.09 - Step 6: Final answer
x = 57,030.01
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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.