Finding the Fourth Proportional to 88,949.58, 122,677.35 and 63,447.79
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Solution
The fourth proportional to 88,949.58, 122,677.35 and 63,447.79 is: 87,505.83
Step by Step Solution
- Step 1: Write the proportion equation
88,949.58 : 122,677.35 = 63,447.79 : x - Step 2: Convert to fraction form
88,949.58/122,677.35 = 63,447.79/x - Step 3: Cross multiply
88,949.58x = 122,677.35 × 63,447.79 - Step 4: Simplify right side
88,949.58x = 7,783,606,740.56 - Step 5: Solve for x
x = 7,783,606,740.56/88,949.58 - Step 6: Final answer
x = 87,505.83
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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.