Finding the Fourth Proportional to 79,457.81, 119,236.95 and 44,420.45
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Solution
The fourth proportional to 79,457.81, 119,236.95 and 44,420.45 is: 66,658.76
Step by Step Solution
- Step 1: Write the proportion equation
79,457.81 : 119,236.95 = 44,420.45 : x - Step 2: Convert to fraction form
79,457.81/119,236.95 = 44,420.45/x - Step 3: Cross multiply
79,457.81x = 119,236.95 × 44,420.45 - Step 4: Simplify right side
79,457.81x = 5,296,558,379.44 - Step 5: Solve for x
x = 5,296,558,379.44/79,457.81 - Step 6: Final answer
x = 66,658.76
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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.