Finding the Fourth Proportional to 75,457.68, 104,133.46 and 41,465.92
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Solution
The fourth proportional to 75,457.68, 104,133.46 and 41,465.92 is: 57,223.99
Step by Step Solution
- Step 1: Write the proportion equation
75,457.68 : 104,133.46 = 41,465.92 : x - Step 2: Convert to fraction form
75,457.68/104,133.46 = 41,465.92/x - Step 3: Cross multiply
75,457.68x = 104,133.46 × 41,465.92 - Step 4: Simplify right side
75,457.68x = 4,317,989,721.68 - Step 5: Solve for x
x = 4,317,989,721.68/75,457.68 - Step 6: Final answer
x = 57,223.99
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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.