Finding the Fourth Proportional to 73,664.80, 110,497.20 and 24,416.80
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Solution
The fourth proportional to 73,664.80, 110,497.20 and 24,416.80 is: 36,625.20
Step by Step Solution
- Step 1: Write the proportion equation
73,664.80 : 110,497.20 = 24,416.80 : x - Step 2: Convert to fraction form
73,664.80/110,497.20 = 24,416.80/x - Step 3: Cross multiply
73,664.80x = 110,497.20 × 24,416.80 - Step 4: Simplify right side
73,664.80x = 2,697,988,032.96 - Step 5: Solve for x
x = 2,697,988,032.96/73,664.80 - Step 6: Final answer
x = 36,625.20
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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.