Finding the Fourth Proportional to 87,021.26, 130,541.00 and 37,106.63
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Solution
The fourth proportional to 87,021.26, 130,541.00 and 37,106.63 is: 55,663.83
Step by Step Solution
- Step 1: Write the proportion equation
87,021.26 : 130,541.00 = 37,106.63 : x - Step 2: Convert to fraction form
87,021.26/130,541.00 = 37,106.63/x - Step 3: Cross multiply
87,021.26x = 130,541.00 × 37,106.63 - Step 4: Simplify right side
87,021.26x = 4,843,936,377.27 - Step 5: Solve for x
x = 4,843,936,377.27/87,021.26 - Step 6: Final answer
x = 55,663.83
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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.