Finding the Fourth Proportional to 96,289.12, 132,879.99 and 53,849.98
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Solution
The fourth proportional to 96,289.12, 132,879.99 and 53,849.98 is: 74,313.53
Step by Step Solution
- Step 1: Write the proportion equation
96,289.12 : 132,879.99 = 53,849.98 : x - Step 2: Convert to fraction form
96,289.12/132,879.99 = 53,849.98/x - Step 3: Cross multiply
96,289.12x = 132,879.99 × 53,849.98 - Step 4: Simplify right side
96,289.12x = 7,155,584,803.90 - Step 5: Solve for x
x = 7,155,584,803.90/96,289.12 - Step 6: Final answer
x = 74,313.53
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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.