Finding the Fourth Proportional to 79,319.30, 118,903.09 and 29,385.99
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Solution
The fourth proportional to 79,319.30, 118,903.09 and 29,385.99 is: 44,050.88
Step by Step Solution
- Step 1: Write the proportion equation
79,319.30 : 118,903.09 = 29,385.99 : x - Step 2: Convert to fraction form
79,319.30/118,903.09 = 29,385.99/x - Step 3: Cross multiply
79,319.30x = 118,903.09 × 29,385.99 - Step 4: Simplify right side
79,319.30x = 3,494,084,995.34 - Step 5: Solve for x
x = 3,494,084,995.34/79,319.30 - Step 6: Final answer
x = 44,050.88
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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.