Finding the Fourth Proportional to 89,953.11, 124,135.49 and 49,666.95
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Solution
The fourth proportional to 89,953.11, 124,135.49 and 49,666.95 is: 68,540.50
Step by Step Solution
- Step 1: Write the proportion equation
89,953.11 : 124,135.49 = 49,666.95 : x - Step 2: Convert to fraction form
89,953.11/124,135.49 = 49,666.95/x - Step 3: Cross multiply
89,953.11x = 124,135.49 × 49,666.95 - Step 4: Simplify right side
89,953.11x = 6,165,430,926.72 - Step 5: Solve for x
x = 6,165,430,926.72/89,953.11 - Step 6: Final answer
x = 68,540.50
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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.