Finding the Fourth Proportional to 85,027.63, 117,348.21 and 48,742.06
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Solution
The fourth proportional to 85,027.63, 117,348.21 and 48,742.06 is: 67,269.82
Step by Step Solution
- Step 1: Write the proportion equation
85,027.63 : 117,348.21 = 48,742.06 : x - Step 2: Convert to fraction form
85,027.63/117,348.21 = 48,742.06/x - Step 3: Cross multiply
85,027.63x = 117,348.21 × 48,742.06 - Step 4: Simplify right side
85,027.63x = 5,719,793,492.71 - Step 5: Solve for x
x = 5,719,793,492.71/85,027.63 - Step 6: Final answer
x = 67,269.82
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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.