Finding the Fourth Proportional to 88,315.36, 121,874.04 and 48,028.26
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Solution
The fourth proportional to 88,315.36, 121,874.04 and 48,028.26 is: 66,278.37
Step by Step Solution
- Step 1: Write the proportion equation
88,315.36 : 121,874.04 = 48,028.26 : x - Step 2: Convert to fraction form
88,315.36/121,874.04 = 48,028.26/x - Step 3: Cross multiply
88,315.36x = 121,874.04 × 48,028.26 - Step 4: Simplify right side
88,315.36x = 5,853,398,357.29 - Step 5: Solve for x
x = 5,853,398,357.29/88,315.36 - Step 6: Final answer
x = 66,278.37
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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.