Finding the Fourth Proportional to 83,188.28, 114,842.14 and 51,375.63
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Solution
The fourth proportional to 83,188.28, 114,842.14 and 51,375.63 is: 70,924.50
Step by Step Solution
- Step 1: Write the proportion equation
83,188.28 : 114,842.14 = 51,375.63 : x - Step 2: Convert to fraction form
83,188.28/114,842.14 = 51,375.63/x - Step 3: Cross multiply
83,188.28x = 114,842.14 × 51,375.63 - Step 4: Simplify right side
83,188.28x = 5,900,087,293.05 - Step 5: Solve for x
x = 5,900,087,293.05/83,188.28 - Step 6: Final answer
x = 70,924.50
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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.