Finding the Fourth Proportional to 75,589.38, 104,322.98 and 48,809.74
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Solution
The fourth proportional to 75,589.38, 104,322.98 and 48,809.74 is: 67,363.66
Step by Step Solution
- Step 1: Write the proportion equation
75,589.38 : 104,322.98 = 48,809.74 : x - Step 2: Convert to fraction form
75,589.38/104,322.98 = 48,809.74/x - Step 3: Cross multiply
75,589.38x = 104,322.98 × 48,809.74 - Step 4: Simplify right side
75,589.38x = 5,091,977,243.45 - Step 5: Solve for x
x = 5,091,977,243.45/75,589.38 - Step 6: Final answer
x = 67,363.66
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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.