Finding the Fourth Proportional to 96,478.96, 144,752.64 and 52,109.68
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Solution
The fourth proportional to 96,478.96, 144,752.64 and 52,109.68 is: 78,182.99
Step by Step Solution
- Step 1: Write the proportion equation
96,478.96 : 144,752.64 = 52,109.68 : x - Step 2: Convert to fraction form
96,478.96/144,752.64 = 52,109.68/x - Step 3: Cross multiply
96,478.96x = 144,752.64 × 52,109.68 - Step 4: Simplify right side
96,478.96x = 7,543,013,749.56 - Step 5: Solve for x
x = 7,543,013,749.56/96,478.96 - Step 6: Final answer
x = 78,182.99
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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.