Finding the Fourth Proportional to 79,726.26, 110,025.99 and 45,273.48
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Solution
The fourth proportional to 79,726.26, 110,025.99 and 45,273.48 is: 62,479.53
Step by Step Solution
- Step 1: Write the proportion equation
79,726.26 : 110,025.99 = 45,273.48 : x - Step 2: Convert to fraction form
79,726.26/110,025.99 = 45,273.48/x - Step 3: Cross multiply
79,726.26x = 110,025.99 × 45,273.48 - Step 4: Simplify right side
79,726.26x = 4,981,259,457.75 - Step 5: Solve for x
x = 4,981,259,457.75/79,726.26 - Step 6: Final answer
x = 62,479.53
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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.