Finding the Fourth Proportional to 76,554.08, 114,839.76 and 34,995.68
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Solution
The fourth proportional to 76,554.08, 114,839.76 and 34,995.68 is: 52,497.47
Step by Step Solution
- Step 1: Write the proportion equation
76,554.08 : 114,839.76 = 34,995.68 : x - Step 2: Convert to fraction form
76,554.08/114,839.76 = 34,995.68/x - Step 3: Cross multiply
76,554.08x = 114,839.76 × 34,995.68 - Step 4: Simplify right side
76,554.08x = 4,018,895,492.24 - Step 5: Solve for x
x = 4,018,895,492.24/76,554.08 - Step 6: Final answer
x = 52,497.47
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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.