Finding the Fourth Proportional to 88,328.93, 121,890.41 and 48,042.63
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Solution
The fourth proportional to 88,328.93, 121,890.41 and 48,042.63 is: 66,296.92
Step by Step Solution
- Step 1: Write the proportion equation
88,328.93 : 121,890.41 = 48,042.63 : x - Step 2: Convert to fraction form
88,328.93/121,890.41 = 48,042.63/x - Step 3: Cross multiply
88,328.93x = 121,890.41 × 48,042.63 - Step 4: Simplify right side
88,328.93x = 5,855,935,627.97 - Step 5: Solve for x
x = 5,855,935,627.97/88,328.93 - Step 6: Final answer
x = 66,296.92
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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.