Finding the Fourth Proportional to 79,866.17, 119,764.29 and 29,911.23
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Solution
The fourth proportional to 79,866.17, 119,764.29 and 29,911.23 is: 44,853.75
Step by Step Solution
- Step 1: Write the proportion equation
79,866.17 : 119,764.29 = 29,911.23 : x - Step 2: Convert to fraction form
79,866.17/119,764.29 = 29,911.23/x - Step 3: Cross multiply
79,866.17x = 119,764.29 × 29,911.23 - Step 4: Simplify right side
79,866.17x = 3,582,297,223.98 - Step 5: Solve for x
x = 3,582,297,223.98/79,866.17 - Step 6: Final answer
x = 44,853.75
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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.