Finding the Fourth Proportional to 74,682.07, 103,082.99 and 48,844.29
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Solution
The fourth proportional to 74,682.07, 103,082.99 and 48,844.29 is: 67,419.33
Step by Step Solution
- Step 1: Write the proportion equation
74,682.07 : 103,082.99 = 48,844.29 : x - Step 2: Convert to fraction form
74,682.07/103,082.99 = 48,844.29/x - Step 3: Cross multiply
74,682.07x = 103,082.99 × 48,844.29 - Step 4: Simplify right side
74,682.07x = 5,035,015,457.63 - Step 5: Solve for x
x = 5,035,015,457.63/74,682.07 - Step 6: Final answer
x = 67,419.33
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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.