Finding the Fourth Proportional to 74,083.54, 102,235.28 and 40,092.03
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Solution
The fourth proportional to 74,083.54, 102,235.28 and 40,092.03 is: 55,326.99
Step by Step Solution
- Step 1: Write the proportion equation
74,083.54 : 102,235.28 = 40,092.03 : x - Step 2: Convert to fraction form
74,083.54/102,235.28 = 40,092.03/x - Step 3: Cross multiply
74,083.54x = 102,235.28 × 40,092.03 - Step 4: Simplify right side
74,083.54x = 4,098,819,201.18 - Step 5: Solve for x
x = 4,098,819,201.18/74,083.54 - Step 6: Final answer
x = 55,326.99
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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.