Finding the Fourth Proportional to 88,686.31, 122,389.70 and 48,402.66
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Solution
The fourth proportional to 88,686.31, 122,389.70 and 48,402.66 is: 66,797.09
Step by Step Solution
- Step 1: Write the proportion equation
88,686.31 : 122,389.70 = 48,402.66 : x - Step 2: Convert to fraction form
88,686.31/122,389.70 = 48,402.66/x - Step 3: Cross multiply
88,686.31x = 122,389.70 × 48,402.66 - Step 4: Simplify right side
88,686.31x = 5,923,987,036.60 - Step 5: Solve for x
x = 5,923,987,036.60/88,686.31 - Step 6: Final answer
x = 66,797.09
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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.