Finding the Fourth Proportional to 88,324.98, 121,890.04 and 48,039.62
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Solution
The fourth proportional to 88,324.98, 121,890.04 and 48,039.62 is: 66,295.53
Step by Step Solution
- Step 1: Write the proportion equation
88,324.98 : 121,890.04 = 48,039.62 : x - Step 2: Convert to fraction form
88,324.98/121,890.04 = 48,039.62/x - Step 3: Cross multiply
88,324.98x = 121,890.04 × 48,039.62 - Step 4: Simplify right side
88,324.98x = 5,855,551,203.38 - Step 5: Solve for x
x = 5,855,551,203.38/88,324.98 - Step 6: Final answer
x = 66,295.53
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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.