Finding the Fourth Proportional to 75,018.08, 103,476.18 and 48,117.98
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Solution
The fourth proportional to 75,018.08, 103,476.18 and 48,117.98 is: 66,371.53
Step by Step Solution
- Step 1: Write the proportion equation
75,018.08 : 103,476.18 = 48,117.98 : x - Step 2: Convert to fraction form
75,018.08/103,476.18 = 48,117.98/x - Step 3: Cross multiply
75,018.08x = 103,476.18 × 48,117.98 - Step 4: Simplify right side
75,018.08x = 4,979,065,198.85 - Step 5: Solve for x
x = 4,979,065,198.85/75,018.08 - Step 6: Final answer
x = 66,371.53
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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.