Finding the Fourth Proportional to 94,380.19, 130,246.58 and 51,938.82
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Solution
The fourth proportional to 94,380.19, 130,246.58 and 51,938.82 is: 71,676.63
Step by Step Solution
- Step 1: Write the proportion equation
94,380.19 : 130,246.58 = 51,938.82 : x - Step 2: Convert to fraction form
94,380.19/130,246.58 = 51,938.82/x - Step 3: Cross multiply
94,380.19x = 130,246.58 × 51,938.82 - Step 4: Simplify right side
94,380.19x = 6,764,853,804.08 - Step 5: Solve for x
x = 6,764,853,804.08/94,380.19 - Step 6: Final answer
x = 71,676.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.