Finding the Fourth Proportional to 83,815.56, 125,741.88 and 27,673.02
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Solution
The fourth proportional to 83,815.56, 125,741.88 and 27,673.02 is: 41,515.65
Step by Step Solution
- Step 1: Write the proportion equation
83,815.56 : 125,741.88 = 27,673.02 : x - Step 2: Convert to fraction form
83,815.56/125,741.88 = 27,673.02/x - Step 3: Cross multiply
83,815.56x = 125,741.88 × 27,673.02 - Step 4: Simplify right side
83,815.56x = 3,479,657,560.08 - Step 5: Solve for x
x = 3,479,657,560.08/83,815.56 - Step 6: Final answer
x = 41,515.65
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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.