Finding the Fourth Proportional to 126,420.44, 174,459.68 and 69,831.82
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Solution
The fourth proportional to 126,420.44, 174,459.68 and 69,831.82 is: 96,367.61
Step by Step Solution
- Step 1: Write the proportion equation
126,420.44 : 174,459.68 = 69,831.82 : x - Step 2: Convert to fraction form
126,420.44/174,459.68 = 69,831.82/x - Step 3: Cross multiply
126,420.44x = 174,459.68 × 69,831.82 - Step 4: Simplify right side
126,420.44x = 12,182,836,447.58 - Step 5: Solve for x
x = 12,182,836,447.58/126,420.44 - Step 6: Final answer
x = 96,367.61
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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.