Finding the Fourth Proportional to 75,353.24, 103,988.74 and 41,364.92
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Solution
The fourth proportional to 75,353.24, 103,988.74 and 41,364.92 is: 57,084.29
Step by Step Solution
- Step 1: Write the proportion equation
75,353.24 : 103,988.74 = 41,364.92 : x - Step 2: Convert to fraction form
75,353.24/103,988.74 = 41,364.92/x - Step 3: Cross multiply
75,353.24x = 103,988.74 × 41,364.92 - Step 4: Simplify right side
75,353.24x = 4,301,485,911.00 - Step 5: Solve for x
x = 4,301,485,911.00/75,353.24 - Step 6: Final answer
x = 57,084.29
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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.