Finding the Fourth Proportional to 72,576.65, 108,864.99 and 22,661.02
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Solution
The fourth proportional to 72,576.65, 108,864.99 and 22,661.02 is: 33,991.53
Step by Step Solution
- Step 1: Write the proportion equation
72,576.65 : 108,864.99 = 22,661.02 : x - Step 2: Convert to fraction form
72,576.65/108,864.99 = 22,661.02/x - Step 3: Cross multiply
72,576.65x = 108,864.99 × 22,661.02 - Step 4: Simplify right side
72,576.65x = 2,466,991,602.38 - Step 5: Solve for x
x = 2,466,991,602.38/72,576.65 - Step 6: Final answer
x = 33,991.53
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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.