Finding the Fourth Proportional to 107,948.60, 161,874.30 and 48,753.80
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Solution
The fourth proportional to 107,948.60, 161,874.30 and 48,753.80 is: 73,108.75
Step by Step Solution
- Step 1: Write the proportion equation
107,948.60 : 161,874.30 = 48,753.80 : x - Step 2: Convert to fraction form
107,948.60/161,874.30 = 48,753.80/x - Step 3: Cross multiply
107,948.60x = 161,874.30 × 48,753.80 - Step 4: Simplify right side
107,948.60x = 7,891,987,247.34 - Step 5: Solve for x
x = 7,891,987,247.34/107,948.60 - Step 6: Final answer
x = 73,108.75
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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.