Finding the Fourth Proportional to 67,825.68, 101,783.64 and 27,877.42
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Solution
The fourth proportional to 67,825.68, 101,783.64 and 27,877.42 is: 41,834.68
Step by Step Solution
- Step 1: Write the proportion equation
67,825.68 : 101,783.64 = 27,877.42 : x - Step 2: Convert to fraction form
67,825.68/101,783.64 = 27,877.42/x - Step 3: Cross multiply
67,825.68x = 101,783.64 × 27,877.42 - Step 4: Simplify right side
67,825.68x = 2,837,465,281.41 - Step 5: Solve for x
x = 2,837,465,281.41/67,825.68 - Step 6: Final answer
x = 41,834.68
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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.