Finding the Fourth Proportional to 126,395.64, 174,427.02 and 69,807.96
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Solution
The fourth proportional to 126,395.64, 174,427.02 and 69,807.96 is: 96,335.56
Step by Step Solution
- Step 1: Write the proportion equation
126,395.64 : 174,427.02 = 69,807.96 : x - Step 2: Convert to fraction form
126,395.64/174,427.02 = 69,807.96/x - Step 3: Cross multiply
126,395.64x = 174,427.02 × 69,807.96 - Step 4: Simplify right side
126,395.64x = 12,176,394,435.08 - Step 5: Solve for x
x = 12,176,394,435.08/126,395.64 - Step 6: Final answer
x = 96,335.56
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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.