Finding the Fourth Proportional to 85,252.68, 117,646.01 and 47,013.85
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Solution
The fourth proportional to 85,252.68, 117,646.01 and 47,013.85 is: 64,877.63
Step by Step Solution
- Step 1: Write the proportion equation
85,252.68 : 117,646.01 = 47,013.85 : x - Step 2: Convert to fraction form
85,252.68/117,646.01 = 47,013.85/x - Step 3: Cross multiply
85,252.68x = 117,646.01 × 47,013.85 - Step 4: Simplify right side
85,252.68x = 5,530,991,867.24 - Step 5: Solve for x
x = 5,530,991,867.24/85,252.68 - Step 6: Final answer
x = 64,877.63
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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.