Finding the Fourth Proportional to 96,012.30, 132,495.84 and 52,992.12
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Solution
The fourth proportional to 96,012.30, 132,495.84 and 52,992.12 is: 73,128.50
Step by Step Solution
- Step 1: Write the proportion equation
96,012.30 : 132,495.84 = 52,992.12 : x - Step 2: Convert to fraction form
96,012.30/132,495.84 = 52,992.12/x - Step 3: Cross multiply
96,012.30x = 132,495.84 × 52,992.12 - Step 4: Simplify right side
96,012.30x = 7,021,235,452.78 - Step 5: Solve for x
x = 7,021,235,452.78/96,012.30 - Step 6: Final answer
x = 73,128.50
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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.