Finding the Fourth Proportional to 94,910.36, 130,972.14 and 54,625.41
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Solution
The fourth proportional to 94,910.36, 130,972.14 and 54,625.41 is: 75,380.68
Step by Step Solution
- Step 1: Write the proportion equation
94,910.36 : 130,972.14 = 54,625.41 : x - Step 2: Convert to fraction form
94,910.36/130,972.14 = 54,625.41/x - Step 3: Cross multiply
94,910.36x = 130,972.14 × 54,625.41 - Step 4: Simplify right side
94,910.36x = 7,154,406,846.08 - Step 5: Solve for x
x = 7,154,406,846.08/94,910.36 - Step 6: Final answer
x = 75,380.68
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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.