Finding the Fourth Proportional to 85,214.08, 117,592.74 and 53,400.52
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Solution
The fourth proportional to 85,214.08, 117,592.74 and 53,400.52 is: 73,691.03
Step by Step Solution
- Step 1: Write the proportion equation
85,214.08 : 117,592.74 = 53,400.52 : x - Step 2: Convert to fraction form
85,214.08/117,592.74 = 53,400.52/x - Step 3: Cross multiply
85,214.08x = 117,592.74 × 53,400.52 - Step 4: Simplify right side
85,214.08x = 6,279,513,464.22 - Step 5: Solve for x
x = 6,279,513,464.22/85,214.08 - Step 6: Final answer
x = 73,691.03
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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.