Finding the Fourth Proportional to 73,438.68, 101,345.13 and 41,613.65
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Solution
The fourth proportional to 73,438.68, 101,345.13 and 41,613.65 is: 57,426.69
Step by Step Solution
- Step 1: Write the proportion equation
73,438.68 : 101,345.13 = 41,613.65 : x - Step 2: Convert to fraction form
73,438.68/101,345.13 = 41,613.65/x - Step 3: Cross multiply
73,438.68x = 101,345.13 × 41,613.65 - Step 4: Simplify right side
73,438.68x = 4,217,340,262.30 - Step 5: Solve for x
x = 4,217,340,262.30/73,438.68 - Step 6: Final answer
x = 57,426.69
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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.