Finding the Fourth Proportional to 77,114.03, 115,670.76 and 27,182.09
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Solution
The fourth proportional to 77,114.03, 115,670.76 and 27,182.09 is: 40,773.03
Step by Step Solution
- Step 1: Write the proportion equation
77,114.03 : 115,670.76 = 27,182.09 : x - Step 2: Convert to fraction form
77,114.03/115,670.76 = 27,182.09/x - Step 3: Cross multiply
77,114.03x = 115,670.76 × 27,182.09 - Step 4: Simplify right side
77,114.03x = 3,144,173,008.69 - Step 5: Solve for x
x = 3,144,173,008.69/77,114.03 - Step 6: Final answer
x = 40,773.03
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1.5x scale
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.