Finding the Fourth Proportional to 86,947.24, 119,991.68 and 48,704.52
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Solution
The fourth proportional to 86,947.24, 119,991.68 and 48,704.52 is: 67,214.75
Step by Step Solution
- Step 1: Write the proportion equation
86,947.24 : 119,991.68 = 48,704.52 : x - Step 2: Convert to fraction form
86,947.24/119,991.68 = 48,704.52/x - Step 3: Cross multiply
86,947.24x = 119,991.68 × 48,704.52 - Step 4: Simplify right side
86,947.24x = 5,844,137,178.39 - Step 5: Solve for x
x = 5,844,137,178.39/86,947.24 - Step 6: Final answer
x = 67,214.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.