Finding the Fourth Proportional to 87,548.94, 120,789.45 and 51,750.99
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Solution
The fourth proportional to 87,548.94, 120,789.45 and 51,750.99 is: 71,399.76
Step by Step Solution
- Step 1: Write the proportion equation
87,548.94 : 120,789.45 = 51,750.99 : x - Step 2: Convert to fraction form
87,548.94/120,789.45 = 51,750.99/x - Step 3: Cross multiply
87,548.94x = 120,789.45 × 51,750.99 - Step 4: Simplify right side
87,548.94x = 6,250,973,619.06 - Step 5: Solve for x
x = 6,250,973,619.06/87,548.94 - Step 6: Final answer
x = 71,399.76
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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.