Finding the Fourth Proportional to 95,665.19, 143,432.84 and 53,574.21
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Solution
The fourth proportional to 95,665.19, 143,432.84 and 53,574.21 is: 80,324.95
Step by Step Solution
- Step 1: Write the proportion equation
95,665.19 : 143,432.84 = 53,574.21 : x - Step 2: Convert to fraction form
95,665.19/143,432.84 = 53,574.21/x - Step 3: Cross multiply
95,665.19x = 143,432.84 × 53,574.21 - Step 4: Simplify right side
95,665.19x = 7,684,301,224.99 - Step 5: Solve for x
x = 7,684,301,224.99/95,665.19 - Step 6: Final answer
x = 80,324.95
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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.