Finding the Fourth Proportional to 74,219.92, 102,427.68 and 44,023.12
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Solution
The fourth proportional to 74,219.92, 102,427.68 and 44,023.12 is: 60,754.39
Step by Step Solution
- Step 1: Write the proportion equation
74,219.92 : 102,427.68 = 44,023.12 : x - Step 2: Convert to fraction form
74,219.92/102,427.68 = 44,023.12/x - Step 3: Cross multiply
74,219.92x = 102,427.68 × 44,023.12 - Step 4: Simplify right side
74,219.92x = 4,509,186,047.96 - Step 5: Solve for x
x = 4,509,186,047.96/74,219.92 - Step 6: Final answer
x = 60,754.39
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1.5x scale
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.