Finding the Fourth Proportional to 73,441.48, 101,350.74 and 39,909.64
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Solution
The fourth proportional to 73,441.48, 101,350.74 and 39,909.64 is: 55,076.12
Step by Step Solution
- Step 1: Write the proportion equation
73,441.48 : 101,350.74 = 39,909.64 : x - Step 2: Convert to fraction form
73,441.48/101,350.74 = 39,909.64/x - Step 3: Cross multiply
73,441.48x = 101,350.74 × 39,909.64 - Step 4: Simplify right side
73,441.48x = 4,044,871,547.13 - Step 5: Solve for x
x = 4,044,871,547.13/73,441.48 - Step 6: Final answer
x = 55,076.12
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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.