Finding the Fourth Proportional to 87,130.36, 130,753.80 and 37,222.12
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Solution
The fourth proportional to 87,130.36, 130,753.80 and 37,222.12 is: 55,858.07
Step by Step Solution
- Step 1: Write the proportion equation
87,130.36 : 130,753.80 = 37,222.12 : x - Step 2: Convert to fraction form
87,130.36/130,753.80 = 37,222.12/x - Step 3: Cross multiply
87,130.36x = 130,753.80 × 37,222.12 - Step 4: Simplify right side
87,130.36x = 4,866,933,634.06 - Step 5: Solve for x
x = 4,866,933,634.06/87,130.36 - Step 6: Final answer
x = 55,858.07
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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.