Finding the Fourth Proportional to 126,542.44, 174,637.38 and 69,959.08
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Solution
The fourth proportional to 126,542.44, 174,637.38 and 69,959.08 is: 96,548.40
Step by Step Solution
- Step 1: Write the proportion equation
126,542.44 : 174,637.38 = 69,959.08 : x - Step 2: Convert to fraction form
126,542.44/174,637.38 = 69,959.08/x - Step 3: Cross multiply
126,542.44x = 174,637.38 × 69,959.08 - Step 4: Simplify right side
126,542.44x = 12,217,470,438.41 - Step 5: Solve for x
x = 12,217,470,438.41/126,542.44 - Step 6: Final answer
x = 96,548.40
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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.