Finding the Fourth Proportional to 73,716.48, 101,671.20 and 51,064.02
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Solution
The fourth proportional to 73,716.48, 101,671.20 and 51,064.02 is: 70,428.49
Step by Step Solution
- Step 1: Write the proportion equation
73,716.48 : 101,671.20 = 51,064.02 : x - Step 2: Convert to fraction form
73,716.48/101,671.20 = 51,064.02/x - Step 3: Cross multiply
73,716.48x = 101,671.20 × 51,064.02 - Step 4: Simplify right side
73,716.48x = 5,191,740,190.22 - Step 5: Solve for x
x = 5,191,740,190.22/73,716.48 - Step 6: Final answer
x = 70,428.49
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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.