Finding the Fourth Proportional to 77,592.48, 107,044.56 and 48,861.12
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Solution
The fourth proportional to 77,592.48, 107,044.56 and 48,861.12 is: 67,407.53
Step by Step Solution
- Step 1: Write the proportion equation
77,592.48 : 107,044.56 = 48,861.12 : x - Step 2: Convert to fraction form
77,592.48/107,044.56 = 48,861.12/x - Step 3: Cross multiply
77,592.48x = 107,044.56 × 48,861.12 - Step 4: Simplify right side
77,592.48x = 5,230,317,091.51 - Step 5: Solve for x
x = 5,230,317,091.51/77,592.48 - Step 6: Final answer
x = 67,407.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.