Finding the Fourth Proportional to 75,947.40, 113,919.68 and 22,675.55
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Solution
The fourth proportional to 75,947.40, 113,919.68 and 22,675.55 is: 34,012.90
Step by Step Solution
- Step 1: Write the proportion equation
75,947.40 : 113,919.68 = 22,675.55 : x - Step 2: Convert to fraction form
75,947.40/113,919.68 = 22,675.55/x - Step 3: Cross multiply
75,947.40x = 113,919.68 × 22,675.55 - Step 4: Simplify right side
75,947.40x = 2,583,191,399.82 - Step 5: Solve for x
x = 2,583,191,399.82/75,947.40 - Step 6: Final answer
x = 34,012.90
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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.