Finding the Fourth Proportional to 75,585.92, 113,378.87 and 53,663.97
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Solution
The fourth proportional to 75,585.92, 113,378.87 and 53,663.97 is: 80,495.95
Step by Step Solution
- Step 1: Write the proportion equation
75,585.92 : 113,378.87 = 53,663.97 : x - Step 2: Convert to fraction form
75,585.92/113,378.87 = 53,663.97/x - Step 3: Cross multiply
75,585.92x = 113,378.87 × 53,663.97 - Step 4: Simplify right side
75,585.92x = 6,084,360,009.99 - Step 5: Solve for x
x = 6,084,360,009.99/75,585.92 - Step 6: Final answer
x = 80,495.95
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1.5x scale
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.