Finding the Fourth Proportional to 73,881.18, 110,832.71 and 27,130.41
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Solution
The fourth proportional to 73,881.18, 110,832.71 and 27,130.41 is: 40,699.63
Step by Step Solution
- Step 1: Write the proportion equation
73,881.18 : 110,832.71 = 27,130.41 : x - Step 2: Convert to fraction form
73,881.18/110,832.71 = 27,130.41/x - Step 3: Cross multiply
73,881.18x = 110,832.71 × 27,130.41 - Step 4: Simplify right side
73,881.18x = 3,006,936,728.06 - Step 5: Solve for x
x = 3,006,936,728.06/73,881.18 - Step 6: Final answer
x = 40,699.63
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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.