Finding the Fourth Proportional to 74,368.81, 111,572.41 and 32,239.09
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Solution
The fourth proportional to 74,368.81, 111,572.41 and 32,239.09 is: 48,366.96
Step by Step Solution
- Step 1: Write the proportion equation
74,368.81 : 111,572.41 = 32,239.09 : x - Step 2: Convert to fraction form
74,368.81/111,572.41 = 32,239.09/x - Step 3: Cross multiply
74,368.81x = 111,572.41 × 32,239.09 - Step 4: Simplify right side
74,368.81x = 3,596,992,967.51 - Step 5: Solve for x
x = 3,596,992,967.51/74,368.81 - Step 6: Final answer
x = 48,366.96
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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.