Finding the Fourth Proportional to 88,379.32, 121,963.68 and 48,093.06
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Solution
The fourth proportional to 88,379.32, 121,963.68 and 48,093.06 is: 66,368.54
Step by Step Solution
- Step 1: Write the proportion equation
88,379.32 : 121,963.68 = 48,093.06 : x - Step 2: Convert to fraction form
88,379.32/121,963.68 = 48,093.06/x - Step 3: Cross multiply
88,379.32x = 121,963.68 × 48,093.06 - Step 4: Simplify right side
88,379.32x = 5,865,606,580.06 - Step 5: Solve for x
x = 5,865,606,580.06/88,379.32 - Step 6: Final answer
x = 66,368.54
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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.