Finding the Fourth Proportional to 75,200.09, 103,776.08 and 44,986.68
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Solution
The fourth proportional to 75,200.09, 103,776.08 and 44,986.68 is: 62,081.59
Step by Step Solution
- Step 1: Write the proportion equation
75,200.09 : 103,776.08 = 44,986.68 : x - Step 2: Convert to fraction form
75,200.09/103,776.08 = 44,986.68/x - Step 3: Cross multiply
75,200.09x = 103,776.08 × 44,986.68 - Step 4: Simplify right side
75,200.09x = 4,668,541,077.68 - Step 5: Solve for x
x = 4,668,541,077.68/75,200.09 - Step 6: Final answer
x = 62,081.59
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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.