Finding the Fourth Proportional to 79,125.96, 118,688.64 and 32,378.84
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Solution
The fourth proportional to 79,125.96, 118,688.64 and 32,378.84 is: 48,568.14
Step by Step Solution
- Step 1: Write the proportion equation
79,125.96 : 118,688.64 = 32,378.84 : x - Step 2: Convert to fraction form
79,125.96/118,688.64 = 32,378.84/x - Step 3: Cross multiply
79,125.96x = 118,688.64 × 32,378.84 - Step 4: Simplify right side
79,125.96x = 3,843,000,484.38 - Step 5: Solve for x
x = 3,843,000,484.38/79,125.96 - Step 6: Final answer
x = 48,568.14
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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.