Finding the Fourth Proportional to 100,764.48, 150,980.64 and 58,525.99
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Solution
The fourth proportional to 100,764.48, 150,980.64 and 58,525.99 is: 87,692.53
Step by Step Solution
- Step 1: Write the proportion equation
100,764.48 : 150,980.64 = 58,525.99 : x - Step 2: Convert to fraction form
100,764.48/150,980.64 = 58,525.99/x - Step 3: Cross multiply
100,764.48x = 150,980.64 × 58,525.99 - Step 4: Simplify right side
100,764.48x = 8,836,291,499.99 - Step 5: Solve for x
x = 8,836,291,499.99/100,764.48 - Step 6: Final answer
x = 87,692.53
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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.