Finding the Fourth Proportional to 74,276.96, 102,492.99 and 47,435.18
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Solution
The fourth proportional to 74,276.96, 102,492.99 and 47,435.18 is: 65,454.66
Step by Step Solution
- Step 1: Write the proportion equation
74,276.96 : 102,492.99 = 47,435.18 : x - Step 2: Convert to fraction form
74,276.96/102,492.99 = 47,435.18/x - Step 3: Cross multiply
74,276.96x = 102,492.99 × 47,435.18 - Step 4: Simplify right side
74,276.96x = 4,861,772,916.92 - Step 5: Solve for x
x = 4,861,772,916.92/74,276.96 - Step 6: Final answer
x = 65,454.66
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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.