Finding the Fourth Proportional to 83,442.35, 125,191.47 and 27,285.05
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Solution
The fourth proportional to 83,442.35, 125,191.47 and 27,285.05 is: 40,936.72
Step by Step Solution
- Step 1: Write the proportion equation
83,442.35 : 125,191.47 = 27,285.05 : x - Step 2: Convert to fraction form
83,442.35/125,191.47 = 27,285.05/x - Step 3: Cross multiply
83,442.35x = 125,191.47 × 27,285.05 - Step 4: Simplify right side
83,442.35x = 3,415,855,933.82 - Step 5: Solve for x
x = 3,415,855,933.82/83,442.35 - Step 6: Final answer
x = 40,936.72
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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.