Finding the Fourth Proportional to 72,593.92, 108,862.74 and 28,214.84
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Solution
The fourth proportional to 72,593.92, 108,862.74 and 28,214.84 is: 42,311.32
Step by Step Solution
- Step 1: Write the proportion equation
72,593.92 : 108,862.74 = 28,214.84 : x - Step 2: Convert to fraction form
72,593.92/108,862.74 = 28,214.84/x - Step 3: Cross multiply
72,593.92x = 108,862.74 × 28,214.84 - Step 4: Simplify right side
72,593.92x = 3,071,544,791.06 - Step 5: Solve for x
x = 3,071,544,791.06/72,593.92 - Step 6: Final answer
x = 42,311.32
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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.