Finding the Fourth Proportional to 88,729.88, 122,301.36 and 62,897.08
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Solution
The fourth proportional to 88,729.88, 122,301.36 and 62,897.08 is: 86,694.57
Step by Step Solution
- Step 1: Write the proportion equation
88,729.88 : 122,301.36 = 62,897.08 : x - Step 2: Convert to fraction form
88,729.88/122,301.36 = 62,897.08/x - Step 3: Cross multiply
88,729.88x = 122,301.36 × 62,897.08 - Step 4: Simplify right side
88,729.88x = 7,692,398,424.03 - Step 5: Solve for x
x = 7,692,398,424.03/88,729.88 - Step 6: Final answer
x = 86,694.57
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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.