Finding the Fourth Proportional to 117,590.08, 162,297.84 and 69,869.92
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Solution
The fourth proportional to 117,590.08, 162,297.84 and 69,869.92 is: 96,434.47
Step by Step Solution
- Step 1: Write the proportion equation
117,590.08 : 162,297.84 = 69,869.92 : x - Step 2: Convert to fraction form
117,590.08/162,297.84 = 69,869.92/x - Step 3: Cross multiply
117,590.08x = 162,297.84 × 69,869.92 - Step 4: Simplify right side
117,590.08x = 11,339,737,096.97 - Step 5: Solve for x
x = 11,339,737,096.97/117,590.08 - Step 6: Final answer
x = 96,434.47
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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.