Finding the Fourth Proportional to 95,639.13, 131,972.63 and 53,195.13
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Solution
The fourth proportional to 95,639.13, 131,972.63 and 53,195.13 is: 73,404.07
Step by Step Solution
- Step 1: Write the proportion equation
95,639.13 : 131,972.63 = 53,195.13 : x - Step 2: Convert to fraction form
95,639.13/131,972.63 = 53,195.13/x - Step 3: Cross multiply
95,639.13x = 131,972.63 × 53,195.13 - Step 4: Simplify right side
95,639.13x = 7,020,300,943.32 - Step 5: Solve for x
x = 7,020,300,943.32/95,639.13 - Step 6: Final answer
x = 73,404.07
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1.5x scale
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.