Finding the Fourth Proportional to 76,748.06, 115,137.66 and 32,374.96
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Solution
The fourth proportional to 76,748.06, 115,137.66 and 32,374.96 is: 48,569.01
Step by Step Solution
- Step 1: Write the proportion equation
76,748.06 : 115,137.66 = 32,374.96 : x - Step 2: Convert to fraction form
76,748.06/115,137.66 = 32,374.96/x - Step 3: Cross multiply
76,748.06x = 115,137.66 × 32,374.96 - Step 4: Simplify right side
76,748.06x = 3,727,577,136.99 - Step 5: Solve for x
x = 3,727,577,136.99/76,748.06 - Step 6: Final answer
x = 48,569.01
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1.5x scale
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.