Finding the Fourth Proportional to 87,140.80, 130,677.99 and 37,243.99
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Solution
The fourth proportional to 87,140.80, 130,677.99 and 37,243.99 is: 55,851.79
Step by Step Solution
- Step 1: Write the proportion equation
87,140.80 : 130,677.99 = 37,243.99 : x - Step 2: Convert to fraction form
87,140.80/130,677.99 = 37,243.99/x - Step 3: Cross multiply
87,140.80x = 130,677.99 × 37,243.99 - Step 4: Simplify right side
87,140.80x = 4,866,969,752.78 - Step 5: Solve for x
x = 4,866,969,752.78/87,140.80 - Step 6: Final answer
x = 55,851.79
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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.