Finding the Fourth Proportional to 83,529.72, 125,325.36 and 39,170.88
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Solution
The fourth proportional to 83,529.72, 125,325.36 and 39,170.88 is: 58,770.75
Step by Step Solution
- Step 1: Write the proportion equation
83,529.72 : 125,325.36 = 39,170.88 : x - Step 2: Convert to fraction form
83,529.72/125,325.36 = 39,170.88/x - Step 3: Cross multiply
83,529.72x = 125,325.36 × 39,170.88 - Step 4: Simplify right side
83,529.72x = 4,909,104,637.52 - Step 5: Solve for x
x = 4,909,104,637.52/83,529.72 - Step 6: Final answer
x = 58,770.75
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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.