Finding the Fourth Proportional to 107,452.35, 161,134.74 and 48,272.13
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Solution
The fourth proportional to 107,452.35, 161,134.74 and 48,272.13 is: 72,388.52
Step by Step Solution
- Step 1: Write the proportion equation
107,452.35 : 161,134.74 = 48,272.13 : x - Step 2: Convert to fraction form
107,452.35/161,134.74 = 48,272.13/x - Step 3: Cross multiply
107,452.35x = 161,134.74 × 48,272.13 - Step 4: Simplify right side
107,452.35x = 7,778,317,116.80 - Step 5: Solve for x
x = 7,778,317,116.80/107,452.35 - Step 6: Final answer
x = 72,388.52
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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.