Finding the Fourth Proportional to 74,192.63, 102,358.96 and 45,110.99
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Solution
The fourth proportional to 74,192.63, 102,358.96 and 45,110.99 is: 62,236.84
Step by Step Solution
- Step 1: Write the proportion equation
74,192.63 : 102,358.96 = 45,110.99 : x - Step 2: Convert to fraction form
74,192.63/102,358.96 = 45,110.99/x - Step 3: Cross multiply
74,192.63x = 102,358.96 × 45,110.99 - Step 4: Simplify right side
74,192.63x = 4,617,514,164.09 - Step 5: Solve for x
x = 4,617,514,164.09/74,192.63 - Step 6: Final answer
x = 62,236.84
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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.