Finding the Fourth Proportional to 74,169.19, 102,328.30 and 41,899.09
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Solution
The fourth proportional to 74,169.19, 102,328.30 and 41,899.09 is: 57,806.52
Step by Step Solution
- Step 1: Write the proportion equation
74,169.19 : 102,328.30 = 41,899.09 : x - Step 2: Convert to fraction form
74,169.19/102,328.30 = 41,899.09/x - Step 3: Cross multiply
74,169.19x = 102,328.30 × 41,899.09 - Step 4: Simplify right side
74,169.19x = 4,287,463,011.82 - Step 5: Solve for x
x = 4,287,463,011.82/74,169.19 - Step 6: Final answer
x = 57,806.52
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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.