Finding the Fourth Proportional to 75,683.44, 113,602.92 and 72,884.08
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Solution
The fourth proportional to 75,683.44, 113,602.92 and 72,884.08 is: 109,401.00
Step by Step Solution
- Step 1: Write the proportion equation
75,683.44 : 113,602.92 = 72,884.08 : x - Step 2: Convert to fraction form
75,683.44/113,602.92 = 72,884.08/x - Step 3: Cross multiply
75,683.44x = 113,602.92 × 72,884.08 - Step 4: Simplify right side
75,683.44x = 8,279,844,309.51 - Step 5: Solve for x
x = 8,279,844,309.51/75,683.44 - Step 6: Final answer
x = 109,401.00
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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.