Finding the Fourth Proportional to 96,580.76, 133,281.02 and 54,139.30
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Solution
The fourth proportional to 96,580.76, 133,281.02 and 54,139.30 is: 74,711.99
Step by Step Solution
- Step 1: Write the proportion equation
96,580.76 : 133,281.02 = 54,139.30 : x - Step 2: Convert to fraction form
96,580.76/133,281.02 = 54,139.30/x - Step 3: Cross multiply
96,580.76x = 133,281.02 × 54,139.30 - Step 4: Simplify right side
96,580.76x = 7,215,741,126.09 - Step 5: Solve for x
x = 7,215,741,126.09/96,580.76 - Step 6: Final answer
x = 74,711.99
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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.