Finding the Fourth Proportional to 88,369.02, 121,949.78 and 48,083.09
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Solution
The fourth proportional to 88,369.02, 121,949.78 and 48,083.09 is: 66,354.94
Step by Step Solution
- Step 1: Write the proportion equation
88,369.02 : 121,949.78 = 48,083.09 : x - Step 2: Convert to fraction form
88,369.02/121,949.78 = 48,083.09/x - Step 3: Cross multiply
88,369.02x = 121,949.78 × 48,083.09 - Step 4: Simplify right side
88,369.02x = 5,863,721,397.06 - Step 5: Solve for x
x = 5,863,721,397.06/88,369.02 - Step 6: Final answer
x = 66,354.94
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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.