Finding the Fourth Proportional to 89,977.84, 135,048.66 and 47,893.26
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Solution
The fourth proportional to 89,977.84, 135,048.66 and 47,893.26 is: 71,883.48
Step by Step Solution
- Step 1: Write the proportion equation
89,977.84 : 135,048.66 = 47,893.26 : x - Step 2: Convert to fraction form
89,977.84/135,048.66 = 47,893.26/x - Step 3: Cross multiply
89,977.84x = 135,048.66 × 47,893.26 - Step 4: Simplify right side
89,977.84x = 6,467,920,586.03 - Step 5: Solve for x
x = 6,467,920,586.03/89,977.84 - Step 6: Final answer
x = 71,883.48
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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.