Finding the Fourth Proportional to 69,899.36, 104,831.01 and 32,422.68
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Solution
The fourth proportional to 69,899.36, 104,831.01 and 32,422.68 is: 48,625.66
Step by Step Solution
- Step 1: Write the proportion equation
69,899.36 : 104,831.01 = 32,422.68 : x - Step 2: Convert to fraction form
69,899.36/104,831.01 = 32,422.68/x - Step 3: Cross multiply
69,899.36x = 104,831.01 × 32,422.68 - Step 4: Simplify right side
69,899.36x = 3,398,902,291.31 - Step 5: Solve for x
x = 3,398,902,291.31/69,899.36 - Step 6: Final answer
x = 48,625.66
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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.