Finding the Fourth Proportional to 79,735.80, 119,612.34 and 29,839.80
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Solution
The fourth proportional to 79,735.80, 119,612.34 and 29,839.80 is: 44,762.93
Step by Step Solution
- Step 1: Write the proportion equation
79,735.80 : 119,612.34 = 29,839.80 : x - Step 2: Convert to fraction form
79,735.80/119,612.34 = 29,839.80/x - Step 3: Cross multiply
79,735.80x = 119,612.34 × 29,839.80 - Step 4: Simplify right side
79,735.80x = 3,569,208,303.13 - Step 5: Solve for x
x = 3,569,208,303.13/79,735.80 - Step 6: Final answer
x = 44,762.93
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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.