Finding the Fourth Proportional to 75,877.97, 113,829.30 and 28,496.75
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Solution
The fourth proportional to 75,877.97, 113,829.30 and 28,496.75 is: 42,749.76
Step by Step Solution
- Step 1: Write the proportion equation
75,877.97 : 113,829.30 = 28,496.75 : x - Step 2: Convert to fraction form
75,877.97/113,829.30 = 28,496.75/x - Step 3: Cross multiply
75,877.97x = 113,829.30 × 28,496.75 - Step 4: Simplify right side
75,877.97x = 3,243,764,535.63 - Step 5: Solve for x
x = 3,243,764,535.63/75,877.97 - Step 6: Final answer
x = 42,749.76
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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.