Finding the Fourth Proportional to 85,337.24, 117,765.42 and 47,610.68
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Solution
The fourth proportional to 85,337.24, 117,765.42 and 47,610.68 is: 65,702.75
Step by Step Solution
- Step 1: Write the proportion equation
85,337.24 : 117,765.42 = 47,610.68 : x - Step 2: Convert to fraction form
85,337.24/117,765.42 = 47,610.68/x - Step 3: Cross multiply
85,337.24x = 117,765.42 × 47,610.68 - Step 4: Simplify right side
85,337.24x = 5,606,891,726.69 - Step 5: Solve for x
x = 5,606,891,726.69/85,337.24 - Step 6: Final answer
x = 65,702.75
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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.