Finding the Fourth Proportional to 87,326.36, 130,880.01 and 37,347.79
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Solution
The fourth proportional to 87,326.36, 130,880.01 and 37,347.79 is: 55,974.84
Step by Step Solution
- Step 1: Write the proportion equation
87,326.36 : 130,880.01 = 37,347.79 : x - Step 2: Convert to fraction form
87,326.36/130,880.01 = 37,347.79/x - Step 3: Cross multiply
87,326.36x = 130,880.01 × 37,347.79 - Step 4: Simplify right side
87,326.36x = 4,888,079,128.68 - Step 5: Solve for x
x = 4,888,079,128.68/87,326.36 - Step 6: Final answer
x = 55,974.84
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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.