Finding the Fourth Proportional to 79,350.36, 109,507.58 and 47,537.70
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Solution
The fourth proportional to 79,350.36, 109,507.58 and 47,537.70 is: 65,604.47
Step by Step Solution
- Step 1: Write the proportion equation
79,350.36 : 109,507.58 = 47,537.70 : x - Step 2: Convert to fraction form
79,350.36/109,507.58 = 47,537.70/x - Step 3: Cross multiply
79,350.36x = 109,507.58 × 47,537.70 - Step 4: Simplify right side
79,350.36x = 5,205,738,485.77 - Step 5: Solve for x
x = 5,205,738,485.77/79,350.36 - Step 6: Final answer
x = 65,604.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.