Finding the Fourth Proportional to 92,327.64, 127,391.58 and 56,514.84
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Solution
The fourth proportional to 92,327.64, 127,391.58 and 56,514.84 is: 77,977.89
Step by Step Solution
- Step 1: Write the proportion equation
92,327.64 : 127,391.58 = 56,514.84 : x - Step 2: Convert to fraction form
92,327.64/127,391.58 = 56,514.84/x - Step 3: Cross multiply
92,327.64x = 127,391.58 × 56,514.84 - Step 4: Simplify right side
92,327.64x = 7,199,514,761.05 - Step 5: Solve for x
x = 7,199,514,761.05/92,327.64 - Step 6: Final answer
x = 77,977.89
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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.