Finding the Fourth Proportional to 74,442.69, 102,719.34 and 44,227.23
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Solution
The fourth proportional to 74,442.69, 102,719.34 and 44,227.23 is: 61,026.70
Step by Step Solution
- Step 1: Write the proportion equation
74,442.69 : 102,719.34 = 44,227.23 : x - Step 2: Convert to fraction form
74,442.69/102,719.34 = 44,227.23/x - Step 3: Cross multiply
74,442.69x = 102,719.34 × 44,227.23 - Step 4: Simplify right side
74,442.69x = 4,542,991,875.63 - Step 5: Solve for x
x = 4,542,991,875.63/74,442.69 - Step 6: Final answer
x = 61,026.70
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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.