Finding the Fourth Proportional to 83,452.28, 115,174.86 and 47,634.08
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Solution
The fourth proportional to 83,452.28, 115,174.86 and 47,634.08 is: 65,741.15
Step by Step Solution
- Step 1: Write the proportion equation
83,452.28 : 115,174.86 = 47,634.08 : x - Step 2: Convert to fraction form
83,452.28/115,174.86 = 47,634.08/x - Step 3: Cross multiply
83,452.28x = 115,174.86 × 47,634.08 - Step 4: Simplify right side
83,452.28x = 5,486,248,495.23 - Step 5: Solve for x
x = 5,486,248,495.23/83,452.28 - Step 6: Final answer
x = 65,741.15
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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.