Finding the Fourth Proportional to 75,963.38, 113,773.74 and 36,549.98
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Solution
The fourth proportional to 75,963.38, 113,773.74 and 36,549.98 is: 54,742.53
Step by Step Solution
- Step 1: Write the proportion equation
75,963.38 : 113,773.74 = 36,549.98 : x - Step 2: Convert to fraction form
75,963.38/113,773.74 = 36,549.98/x - Step 3: Cross multiply
75,963.38x = 113,773.74 × 36,549.98 - Step 4: Simplify right side
75,963.38x = 4,158,427,921.53 - Step 5: Solve for x
x = 4,158,427,921.53/75,963.38 - Step 6: Final answer
x = 54,742.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.