Finding the Fourth Proportional to 73,615.24, 101,563.14 and 56,624.68
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Solution
The fourth proportional to 73,615.24, 101,563.14 and 56,624.68 is: 78,122.14
Step by Step Solution
- Step 1: Write the proportion equation
73,615.24 : 101,563.14 = 56,624.68 : x - Step 2: Convert to fraction form
73,615.24/101,563.14 = 56,624.68/x - Step 3: Cross multiply
73,615.24x = 101,563.14 × 56,624.68 - Step 4: Simplify right side
73,615.24x = 5,750,980,302.30 - Step 5: Solve for x
x = 5,750,980,302.30/73,615.24 - Step 6: Final answer
x = 78,122.14
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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.