Finding the Fourth Proportional to 75,615.84, 104,346.27 and 41,623.62
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Solution
The fourth proportional to 75,615.84, 104,346.27 and 41,623.62 is: 57,438.62
Step by Step Solution
- Step 1: Write the proportion equation
75,615.84 : 104,346.27 = 41,623.62 : x - Step 2: Convert to fraction form
75,615.84/104,346.27 = 41,623.62/x - Step 3: Cross multiply
75,615.84x = 104,346.27 × 41,623.62 - Step 4: Simplify right side
75,615.84x = 4,343,269,582.13 - Step 5: Solve for x
x = 4,343,269,582.13/75,615.84 - Step 6: Final answer
x = 57,438.62
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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.