Finding the Fourth Proportional to 67,727.92, 101,601.41 and 28,276.06
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Solution
The fourth proportional to 67,727.92, 101,601.41 and 28,276.06 is: 42,418.07
Step by Step Solution
- Step 1: Write the proportion equation
67,727.92 : 101,601.41 = 28,276.06 : x - Step 2: Convert to fraction form
67,727.92/101,601.41 = 28,276.06/x - Step 3: Cross multiply
67,727.92x = 101,601.41 × 28,276.06 - Step 4: Simplify right side
67,727.92x = 2,872,887,565.24 - Step 5: Solve for x
x = 2,872,887,565.24/67,727.92 - Step 6: Final answer
x = 42,418.07
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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.