Finding the Fourth Proportional to 73,530.86, 110,306.61 and 29,162.09
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Solution
The fourth proportional to 73,530.86, 110,306.61 and 29,162.09 is: 43,747.23
Step by Step Solution
- Step 1: Write the proportion equation
73,530.86 : 110,306.61 = 29,162.09 : x - Step 2: Convert to fraction form
73,530.86/110,306.61 = 29,162.09/x - Step 3: Cross multiply
73,530.86x = 110,306.61 × 29,162.09 - Step 4: Simplify right side
73,530.86x = 3,216,771,564.18 - Step 5: Solve for x
x = 3,216,771,564.18/73,530.86 - Step 6: Final answer
x = 43,747.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.