Finding the Fourth Proportional to 75,114.27, 103,657.95 and 41,123.07
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Solution
The fourth proportional to 75,114.27, 103,657.95 and 41,123.07 is: 56,749.98
Step by Step Solution
- Step 1: Write the proportion equation
75,114.27 : 103,657.95 = 41,123.07 : x - Step 2: Convert to fraction form
75,114.27/103,657.95 = 41,123.07/x - Step 3: Cross multiply
75,114.27x = 103,657.95 × 41,123.07 - Step 4: Simplify right side
75,114.27x = 4,262,733,133.91 - Step 5: Solve for x
x = 4,262,733,133.91/75,114.27 - Step 6: Final answer
x = 56,749.98
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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.