Finding the Fourth Proportional to 73,488.70, 110,257.66 and 29,128.14
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Solution
The fourth proportional to 73,488.70, 110,257.66 and 29,128.14 is: 43,701.96
Step by Step Solution
- Step 1: Write the proportion equation
73,488.70 : 110,257.66 = 29,128.14 : x - Step 2: Convert to fraction form
73,488.70/110,257.66 = 29,128.14/x - Step 3: Cross multiply
73,488.70x = 110,257.66 × 29,128.14 - Step 4: Simplify right side
73,488.70x = 3,211,600,556.55 - Step 5: Solve for x
x = 3,211,600,556.55/73,488.70 - Step 6: Final answer
x = 43,701.96
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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.