Finding the Fourth Proportional to 94,425.26, 130,309.44 and 51,986.40
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Solution
The fourth proportional to 94,425.26, 130,309.44 and 51,986.40 is: 71,742.65
Step by Step Solution
- Step 1: Write the proportion equation
94,425.26 : 130,309.44 = 51,986.40 : x - Step 2: Convert to fraction form
94,425.26/130,309.44 = 51,986.40/x - Step 3: Cross multiply
94,425.26x = 130,309.44 × 51,986.40 - Step 4: Simplify right side
94,425.26x = 6,774,318,671.62 - Step 5: Solve for x
x = 6,774,318,671.62/94,425.26 - Step 6: Final answer
x = 71,742.65
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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.