Finding the Fourth Proportional to 88,233.93, 121,813.49 and 58,106.73
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Solution
The fourth proportional to 88,233.93, 121,813.49 and 58,106.73 is: 80,220.65
Step by Step Solution
- Step 1: Write the proportion equation
88,233.93 : 121,813.49 = 58,106.73 : x - Step 2: Convert to fraction form
88,233.93/121,813.49 = 58,106.73/x - Step 3: Cross multiply
88,233.93x = 121,813.49 × 58,106.73 - Step 4: Simplify right side
88,233.93x = 7,078,183,283.25 - Step 5: Solve for x
x = 7,078,183,283.25/88,233.93 - Step 6: Final answer
x = 80,220.65
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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.