Finding the Fourth Proportional to 75,220.68, 112,838.52 and 27,848.44
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Solution
The fourth proportional to 75,220.68, 112,838.52 and 27,848.44 is: 41,775.44
Step by Step Solution
- Step 1: Write the proportion equation
75,220.68 : 112,838.52 = 27,848.44 : x - Step 2: Convert to fraction form
75,220.68/112,838.52 = 27,848.44/x - Step 3: Cross multiply
75,220.68x = 112,838.52 × 27,848.44 - Step 4: Simplify right side
75,220.68x = 3,142,376,753.91 - Step 5: Solve for x
x = 3,142,376,753.91/75,220.68 - Step 6: Final answer
x = 41,775.44
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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.