Finding the Fourth Proportional to 74,988.02, 103,469.19 and 44,365.92
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Solution
The fourth proportional to 74,988.02, 103,469.19 and 44,365.92 is: 61,216.52
Step by Step Solution
- Step 1: Write the proportion equation
74,988.02 : 103,469.19 = 44,365.92 : x - Step 2: Convert to fraction form
74,988.02/103,469.19 = 44,365.92/x - Step 3: Cross multiply
74,988.02x = 103,469.19 × 44,365.92 - Step 4: Simplify right side
74,988.02x = 4,590,505,584.18 - Step 5: Solve for x
x = 4,590,505,584.18/74,988.02 - Step 6: Final answer
x = 61,216.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.