Finding the Fourth Proportional to 77,171.49, 115,779.12 and 24,585.03
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Solution
The fourth proportional to 77,171.49, 115,779.12 and 24,585.03 is: 36,884.52
Step by Step Solution
- Step 1: Write the proportion equation
77,171.49 : 115,779.12 = 24,585.03 : x - Step 2: Convert to fraction form
77,171.49/115,779.12 = 24,585.03/x - Step 3: Cross multiply
77,171.49x = 115,779.12 × 24,585.03 - Step 4: Simplify right side
77,171.49x = 2,846,433,138.57 - Step 5: Solve for x
x = 2,846,433,138.57/77,171.49 - Step 6: Final answer
x = 36,884.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.