Finding the Fourth Proportional to 101,777.99, 140,448.74 and 56,452.41
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Solution
The fourth proportional to 101,777.99, 140,448.74 and 56,452.41 is: 77,901.62
Step by Step Solution
- Step 1: Write the proportion equation
101,777.99 : 140,448.74 = 56,452.41 : x - Step 2: Convert to fraction form
101,777.99/140,448.74 = 56,452.41/x - Step 3: Cross multiply
101,777.99x = 140,448.74 × 56,452.41 - Step 4: Simplify right side
101,777.99x = 7,928,669,572.20 - Step 5: Solve for x
x = 7,928,669,572.20/101,777.99 - Step 6: Final answer
x = 77,901.62
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1.5x scale
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.