Finding the Fourth Proportional to 89,163.48, 123,044.80 and 48,877.12
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Solution
The fourth proportional to 89,163.48, 123,044.80 and 48,877.12 is: 67,449.99
Step by Step Solution
- Step 1: Write the proportion equation
89,163.48 : 123,044.80 = 48,877.12 : x - Step 2: Convert to fraction form
89,163.48/123,044.80 = 48,877.12/x - Step 3: Cross multiply
89,163.48x = 123,044.80 × 48,877.12 - Step 4: Simplify right side
89,163.48x = 6,014,075,454.98 - Step 5: Solve for x
x = 6,014,075,454.98/89,163.48 - Step 6: Final answer
x = 67,449.99
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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.