Finding the Fourth Proportional to 88,615.09, 122,296.09 and 50,386.63
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Solution
The fourth proportional to 88,615.09, 122,296.09 and 50,386.63 is: 69,537.68
Step by Step Solution
- Step 1: Write the proportion equation
88,615.09 : 122,296.09 = 50,386.63 : x - Step 2: Convert to fraction form
88,615.09/122,296.09 = 50,386.63/x - Step 3: Cross multiply
88,615.09x = 122,296.09 × 50,386.63 - Step 4: Simplify right side
88,615.09x = 6,162,087,837.28 - Step 5: Solve for x
x = 6,162,087,837.28/88,615.09 - Step 6: Final answer
x = 69,537.68
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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.