Finding the Fourth Proportional to 98,676.63, 136,176.98 and 53,964.63
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Solution
The fourth proportional to 98,676.63, 136,176.98 and 53,964.63 is: 74,472.95
Step by Step Solution
- Step 1: Write the proportion equation
98,676.63 : 136,176.98 = 53,964.63 : x - Step 2: Convert to fraction form
98,676.63/136,176.98 = 53,964.63/x - Step 3: Cross multiply
98,676.63x = 136,176.98 × 53,964.63 - Step 4: Simplify right side
98,676.63x = 7,348,739,794.24 - Step 5: Solve for x
x = 7,348,739,794.24/98,676.63 - Step 6: Final answer
x = 74,472.95
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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.