Finding the Fourth Proportional to 88,679.88, 122,377.57 and 48,392.75
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Solution
The fourth proportional to 88,679.88, 122,377.57 and 48,392.75 is: 66,781.63
Step by Step Solution
- Step 1: Write the proportion equation
88,679.88 : 122,377.57 = 48,392.75 : x - Step 2: Convert to fraction form
88,679.88/122,377.57 = 48,392.75/x - Step 3: Cross multiply
88,679.88x = 122,377.57 × 48,392.75 - Step 4: Simplify right side
88,679.88x = 5,922,187,335.58 - Step 5: Solve for x
x = 5,922,187,335.58/88,679.88 - Step 6: Final answer
x = 66,781.63
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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.