Finding the Fourth Proportional to 68,776.74, 103,174.29 and 27,214.02
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Solution
The fourth proportional to 68,776.74, 103,174.29 and 27,214.02 is: 40,824.66
Step by Step Solution
- Step 1: Write the proportion equation
68,776.74 : 103,174.29 = 27,214.02 : x - Step 2: Convert to fraction form
68,776.74/103,174.29 = 27,214.02/x - Step 3: Cross multiply
68,776.74x = 103,174.29 × 27,214.02 - Step 4: Simplify right side
68,776.74x = 2,807,787,191.55 - Step 5: Solve for x
x = 2,807,787,191.55/68,776.74 - Step 6: Final answer
x = 40,824.66
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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.