Finding the Fourth Proportional to 83,575.21, 125,358.20 and 61,108.91
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Solution
The fourth proportional to 83,575.21, 125,358.20 and 61,108.91 is: 91,659.99
Step by Step Solution
- Step 1: Write the proportion equation
83,575.21 : 125,358.20 = 61,108.91 : x - Step 2: Convert to fraction form
83,575.21/125,358.20 = 61,108.91/x - Step 3: Cross multiply
83,575.21x = 125,358.20 × 61,108.91 - Step 4: Simplify right side
83,575.21x = 7,660,502,961.56 - Step 5: Solve for x
x = 7,660,502,961.56/83,575.21 - Step 6: Final answer
x = 91,659.99
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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.