Finding the Fourth Proportional to 73,682.26, 101,681.50 and 40,148.26
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Solution
The fourth proportional to 73,682.26, 101,681.50 and 40,148.26 is: 55,404.59
Step by Step Solution
- Step 1: Write the proportion equation
73,682.26 : 101,681.50 = 40,148.26 : x - Step 2: Convert to fraction form
73,682.26/101,681.50 = 40,148.26/x - Step 3: Cross multiply
73,682.26x = 101,681.50 × 40,148.26 - Step 4: Simplify right side
73,682.26x = 4,082,335,299.19 - Step 5: Solve for x
x = 4,082,335,299.19/73,682.26 - Step 6: Final answer
x = 55,404.59
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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.