Finding the Fourth Proportional to 88,325.98, 121,891.42 and 48,040.62
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Solution
The fourth proportional to 88,325.98, 121,891.42 and 48,040.62 is: 66,296.91
Step by Step Solution
- Step 1: Write the proportion equation
88,325.98 : 121,891.42 = 48,040.62 : x - Step 2: Convert to fraction form
88,325.98/121,891.42 = 48,040.62/x - Step 3: Cross multiply
88,325.98x = 121,891.42 × 48,040.62 - Step 4: Simplify right side
88,325.98x = 5,855,739,389.48 - Step 5: Solve for x
x = 5,855,739,389.48/88,325.98 - Step 6: Final answer
x = 66,296.91
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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.