Finding the Fourth Proportional to 79,516.99, 119,315.87 and 52,881.53
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Solution
The fourth proportional to 79,516.99, 119,315.87 and 52,881.53 is: 79,349.14
Step by Step Solution
- Step 1: Write the proportion equation
79,516.99 : 119,315.87 = 52,881.53 : x - Step 2: Convert to fraction form
79,516.99/119,315.87 = 52,881.53/x - Step 3: Cross multiply
79,516.99x = 119,315.87 × 52,881.53 - Step 4: Simplify right side
79,516.99x = 6,309,605,096.20 - Step 5: Solve for x
x = 6,309,605,096.20/79,516.99 - Step 6: Final answer
x = 79,349.14
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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.