Finding the Fourth Proportional to 94,857.21, 130,901.67 and 52,416.45
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Solution
The fourth proportional to 94,857.21, 130,901.67 and 52,416.45 is: 72,333.99
Step by Step Solution
- Step 1: Write the proportion equation
94,857.21 : 130,901.67 = 52,416.45 : x - Step 2: Convert to fraction form
94,857.21/130,901.67 = 52,416.45/x - Step 3: Cross multiply
94,857.21x = 130,901.67 × 52,416.45 - Step 4: Simplify right side
94,857.21x = 6,861,400,840.47 - Step 5: Solve for x
x = 6,861,400,840.47/94,857.21 - Step 6: Final answer
x = 72,333.99
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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.