Finding the Fourth Proportional to 75,457.07, 104,130.25 and 41,465.96
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Solution
The fourth proportional to 75,457.07, 104,130.25 and 41,465.96 is: 57,222.75
Step by Step Solution
- Step 1: Write the proportion equation
75,457.07 : 104,130.25 = 41,465.96 : x - Step 2: Convert to fraction form
75,457.07/104,130.25 = 41,465.96/x - Step 3: Cross multiply
75,457.07x = 104,130.25 × 41,465.96 - Step 4: Simplify right side
75,457.07x = 4,317,860,781.29 - Step 5: Solve for x
x = 4,317,860,781.29/75,457.07 - Step 6: Final answer
x = 57,222.75
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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.