Finding the Fourth Proportional to 75,440.05, 113,184.64 and 35,992.06
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Solution
The fourth proportional to 75,440.05, 113,184.64 and 35,992.06 is: 53,999.81
Step by Step Solution
- Step 1: Write the proportion equation
75,440.05 : 113,184.64 = 35,992.06 : x - Step 2: Convert to fraction form
75,440.05/113,184.64 = 35,992.06/x - Step 3: Cross multiply
75,440.05x = 113,184.64 × 35,992.06 - Step 4: Simplify right side
75,440.05x = 4,073,748,115.99 - Step 5: Solve for x
x = 4,073,748,115.99/75,440.05 - Step 6: Final answer
x = 53,999.81
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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.