Finding the Fourth Proportional to 79,859.70, 119,789.55 and 24,455.70
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Solution
The fourth proportional to 79,859.70, 119,789.55 and 24,455.70 is: 36,683.55
Step by Step Solution
- Step 1: Write the proportion equation
79,859.70 : 119,789.55 = 24,455.70 : x - Step 2: Convert to fraction form
79,859.70/119,789.55 = 24,455.70/x - Step 3: Cross multiply
79,859.70x = 119,789.55 × 24,455.70 - Step 4: Simplify right side
79,859.70x = 2,929,537,297.94 - Step 5: Solve for x
x = 2,929,537,297.94/79,859.70 - Step 6: Final answer
x = 36,683.55
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1.5x scale
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.