Finding the Fourth Proportional to 74,842.05, 112,182.73 and 37,328.02
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Solution
The fourth proportional to 74,842.05, 112,182.73 and 37,328.02 is: 55,951.96
Step by Step Solution
- Step 1: Write the proportion equation
74,842.05 : 112,182.73 = 37,328.02 : x - Step 2: Convert to fraction form
74,842.05/112,182.73 = 37,328.02/x - Step 3: Cross multiply
74,842.05x = 112,182.73 × 37,328.02 - Step 4: Simplify right side
74,842.05x = 4,187,559,189.09 - Step 5: Solve for x
x = 4,187,559,189.09/74,842.05 - Step 6: Final answer
x = 55,951.96
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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.