Finding the Fourth Proportional to 75,465.96, 104,143.98 and 41,478.17
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Solution
The fourth proportional to 75,465.96, 104,143.98 and 41,478.17 is: 57,240.39
Step by Step Solution
- Step 1: Write the proportion equation
75,465.96 : 104,143.98 = 41,478.17 : x - Step 2: Convert to fraction form
75,465.96/104,143.98 = 41,478.17/x - Step 3: Cross multiply
75,465.96x = 104,143.98 × 41,478.17 - Step 4: Simplify right side
75,465.96x = 4,319,701,186.20 - Step 5: Solve for x
x = 4,319,701,186.20/75,465.96 - Step 6: Final answer
x = 57,240.39
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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.