Finding the Fourth Proportional to 79,648.02, 119,438.60 and 46,391.04
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Solution
The fourth proportional to 79,648.02, 119,438.60 and 46,391.04 is: 69,567.09
Step by Step Solution
- Step 1: Write the proportion equation
79,648.02 : 119,438.60 = 46,391.04 : x - Step 2: Convert to fraction form
79,648.02/119,438.60 = 46,391.04/x - Step 3: Cross multiply
79,648.02x = 119,438.60 × 46,391.04 - Step 4: Simplify right side
79,648.02x = 5,540,880,638.19 - Step 5: Solve for x
x = 5,540,880,638.19/79,648.02 - Step 6: Final answer
x = 69,567.09
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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.