Finding the Fourth Proportional to 89,938.08, 124,114.50 and 49,651.80
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Solution
The fourth proportional to 89,938.08, 124,114.50 and 49,651.80 is: 68,519.46
Step by Step Solution
- Step 1: Write the proportion equation
89,938.08 : 124,114.50 = 49,651.80 : x - Step 2: Convert to fraction form
89,938.08/124,114.50 = 49,651.80/x - Step 3: Cross multiply
89,938.08x = 124,114.50 × 49,651.80 - Step 4: Simplify right side
89,938.08x = 6,162,508,331.10 - Step 5: Solve for x
x = 6,162,508,331.10/89,938.08 - Step 6: Final answer
x = 68,519.46
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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.