Finding the Fourth Proportional to 89,216.97, 123,120.66 and 48,928.08
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Solution
The fourth proportional to 89,216.97, 123,120.66 and 48,928.08 is: 67,521.43
Step by Step Solution
- Step 1: Write the proportion equation
89,216.97 : 123,120.66 = 48,928.08 : x - Step 2: Convert to fraction form
89,216.97/123,120.66 = 48,928.08/x - Step 3: Cross multiply
89,216.97x = 123,120.66 × 48,928.08 - Step 4: Simplify right side
89,216.97x = 6,024,057,502.13 - Step 5: Solve for x
x = 6,024,057,502.13/89,216.97 - Step 6: Final answer
x = 67,521.43
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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.