Finding the Fourth Proportional to 94,858.05, 130,898.43 and 51,828.96
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Solution
The fourth proportional to 94,858.05, 130,898.43 and 51,828.96 is: 71,520.86
Step by Step Solution
- Step 1: Write the proportion equation
94,858.05 : 130,898.43 = 51,828.96 : x - Step 2: Convert to fraction form
94,858.05/130,898.43 = 51,828.96/x - Step 3: Cross multiply
94,858.05x = 130,898.43 × 51,828.96 - Step 4: Simplify right side
94,858.05x = 6,784,329,492.53 - Step 5: Solve for x
x = 6,784,329,492.53/94,858.05 - Step 6: Final answer
x = 71,520.86
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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.