Finding the Fourth Proportional to 96,664.92, 133,394.09 and 53,646.30
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Solution
The fourth proportional to 96,664.92, 133,394.09 and 53,646.30 is: 74,029.95
Step by Step Solution
- Step 1: Write the proportion equation
96,664.92 : 133,394.09 = 53,646.30 : x - Step 2: Convert to fraction form
96,664.92/133,394.09 = 53,646.30/x - Step 3: Cross multiply
96,664.92x = 133,394.09 × 53,646.30 - Step 4: Simplify right side
96,664.92x = 7,156,099,102.14 - Step 5: Solve for x
x = 7,156,099,102.14/96,664.92 - Step 6: Final answer
x = 74,029.95
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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.