Finding the Fourth Proportional to 75,095.01, 103,630.84 and 40,639.67
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Solution
The fourth proportional to 75,095.01, 103,630.84 and 40,639.67 is: 56,082.60
Step by Step Solution
- Step 1: Write the proportion equation
75,095.01 : 103,630.84 = 40,639.67 : x - Step 2: Convert to fraction form
75,095.01/103,630.84 = 40,639.67/x - Step 3: Cross multiply
75,095.01x = 103,630.84 × 40,639.67 - Step 4: Simplify right side
75,095.01x = 4,211,522,908.29 - Step 5: Solve for x
x = 4,211,522,908.29/75,095.01 - Step 6: Final answer
x = 56,082.60
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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.