Finding the Fourth Proportional to 95,785.96, 143,612.28 and 42,449.02
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Solution
The fourth proportional to 95,785.96, 143,612.28 and 42,449.02 is: 63,643.99
Step by Step Solution
- Step 1: Write the proportion equation
95,785.96 : 143,612.28 = 42,449.02 : x - Step 2: Convert to fraction form
95,785.96/143,612.28 = 42,449.02/x - Step 3: Cross multiply
95,785.96x = 143,612.28 × 42,449.02 - Step 4: Simplify right side
95,785.96x = 6,096,200,545.97 - Step 5: Solve for x
x = 6,096,200,545.97/95,785.96 - Step 6: Final answer
x = 63,643.99
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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.