Finding the Fourth Proportional to 71,866.41, 107,812.58 and 29,723.59
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Solution
The fourth proportional to 71,866.41, 107,812.58 and 29,723.59 is: 44,590.75
Step by Step Solution
- Step 1: Write the proportion equation
71,866.41 : 107,812.58 = 29,723.59 : x - Step 2: Convert to fraction form
71,866.41/107,812.58 = 29,723.59/x - Step 3: Cross multiply
71,866.41x = 107,812.58 × 29,723.59 - Step 4: Simplify right side
71,866.41x = 3,204,576,924.76 - Step 5: Solve for x
x = 3,204,576,924.76/71,866.41 - Step 6: Final answer
x = 44,590.75
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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.