Finding the Fourth Proportional to 75,251.98, 103,918.03 and 48,441.08
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Solution
The fourth proportional to 75,251.98, 103,918.03 and 48,441.08 is: 66,893.95
Step by Step Solution
- Step 1: Write the proportion equation
75,251.98 : 103,918.03 = 48,441.08 : x - Step 2: Convert to fraction form
75,251.98/103,918.03 = 48,441.08/x - Step 3: Cross multiply
75,251.98x = 103,918.03 × 48,441.08 - Step 4: Simplify right side
75,251.98x = 5,033,901,743.36 - Step 5: Solve for x
x = 5,033,901,743.36/75,251.98 - Step 6: Final answer
x = 66,893.95
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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.