Finding the Fourth Proportional to 83,866.04, 125,826.41 and 39,497.28
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Solution
The fourth proportional to 83,866.04, 125,826.41 and 39,497.28 is: 59,258.80
Step by Step Solution
- Step 1: Write the proportion equation
83,866.04 : 125,826.41 = 39,497.28 : x - Step 2: Convert to fraction form
83,866.04/125,826.41 = 39,497.28/x - Step 3: Cross multiply
83,866.04x = 125,826.41 × 39,497.28 - Step 4: Simplify right side
83,866.04x = 4,969,801,059.66 - Step 5: Solve for x
x = 4,969,801,059.66/83,866.04 - Step 6: Final answer
x = 59,258.80
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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.