Finding the Fourth Proportional to 99,614.04, 137,463.84 and 54,291.12
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Solution
The fourth proportional to 99,614.04, 137,463.84 and 54,291.12 is: 74,919.82
Step by Step Solution
- Step 1: Write the proportion equation
99,614.04 : 137,463.84 = 54,291.12 : x - Step 2: Convert to fraction form
99,614.04/137,463.84 = 54,291.12/x - Step 3: Cross multiply
99,614.04x = 137,463.84 × 54,291.12 - Step 4: Simplify right side
99,614.04x = 7,463,065,833.10 - Step 5: Solve for x
x = 7,463,065,833.10/99,614.04 - Step 6: Final answer
x = 74,919.82
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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.