Finding the Fourth Proportional to 79,282.32, 118,935.76 and 26,687.68
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Solution
The fourth proportional to 79,282.32, 118,935.76 and 26,687.68 is: 40,035.65
Step by Step Solution
- Step 1: Write the proportion equation
79,282.32 : 118,935.76 = 26,687.68 : x - Step 2: Convert to fraction form
79,282.32/118,935.76 = 26,687.68/x - Step 3: Cross multiply
79,282.32x = 118,935.76 × 26,687.68 - Step 4: Simplify right side
79,282.32x = 3,174,119,503.44 - Step 5: Solve for x
x = 3,174,119,503.44/79,282.32 - Step 6: Final answer
x = 40,035.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.