Finding the Fourth Proportional to 83,343.38, 115,014.68 and 45,618.44
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Solution
The fourth proportional to 83,343.38, 115,014.68 and 45,618.44 is: 62,953.89
Step by Step Solution
- Step 1: Write the proportion equation
83,343.38 : 115,014.68 = 45,618.44 : x - Step 2: Convert to fraction form
83,343.38/115,014.68 = 45,618.44/x - Step 3: Cross multiply
83,343.38x = 115,014.68 × 45,618.44 - Step 4: Simplify right side
83,343.38x = 5,246,789,475.53 - Step 5: Solve for x
x = 5,246,789,475.53/83,343.38 - Step 6: Final answer
x = 62,953.89
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1.5x scale
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.