Finding the Fourth Proportional to 73,416.96, 101,315.21 and 39,882.96
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Solution
The fourth proportional to 73,416.96, 101,315.21 and 39,882.96 is: 55,038.38
Step by Step Solution
- Step 1: Write the proportion equation
73,416.96 : 101,315.21 = 39,882.96 : x - Step 2: Convert to fraction form
73,416.96/101,315.21 = 39,882.96/x - Step 3: Cross multiply
73,416.96x = 101,315.21 × 39,882.96 - Step 4: Simplify right side
73,416.96x = 4,040,750,268.41 - Step 5: Solve for x
x = 4,040,750,268.41/73,416.96 - Step 6: Final answer
x = 55,038.38
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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.