Finding the Fourth Proportional to 75,224.30, 103,804.74 and 41,226.77
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Solution
The fourth proportional to 75,224.30, 103,804.74 and 41,226.77 is: 56,890.32
Step by Step Solution
- Step 1: Write the proportion equation
75,224.30 : 103,804.74 = 41,226.77 : x - Step 2: Convert to fraction form
75,224.30/103,804.74 = 41,226.77/x - Step 3: Cross multiply
75,224.30x = 103,804.74 × 41,226.77 - Step 4: Simplify right side
75,224.30x = 4,279,534,400.40 - Step 5: Solve for x
x = 4,279,534,400.40/75,224.30 - Step 6: Final answer
x = 56,890.32
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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.