Finding the Fourth Proportional to 79,257.48, 118,901.76 and 29,337.96
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Solution
The fourth proportional to 79,257.48, 118,901.76 and 29,337.96 is: 44,012.69
Step by Step Solution
- Step 1: Write the proportion equation
79,257.48 : 118,901.76 = 29,337.96 : x - Step 2: Convert to fraction form
79,257.48/118,901.76 = 29,337.96/x - Step 3: Cross multiply
79,257.48x = 118,901.76 × 29,337.96 - Step 4: Simplify right side
79,257.48x = 3,488,335,078.81 - Step 5: Solve for x
x = 3,488,335,078.81/79,257.48 - Step 6: Final answer
x = 44,012.69
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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.