Finding the Fourth Proportional to 68,687.60, 103,004.94 and 24,306.08
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Solution
The fourth proportional to 68,687.60, 103,004.94 and 24,306.08 is: 36,449.76
Step by Step Solution
- Step 1: Write the proportion equation
68,687.60 : 103,004.94 = 24,306.08 : x - Step 2: Convert to fraction form
68,687.60/103,004.94 = 24,306.08/x - Step 3: Cross multiply
68,687.60x = 103,004.94 × 24,306.08 - Step 4: Simplify right side
68,687.60x = 2,503,646,312.04 - Step 5: Solve for x
x = 2,503,646,312.04/68,687.60 - Step 6: Final answer
x = 36,449.76
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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.