Finding the Fourth Proportional to 75,070.18, 103,595.25 and 41,078.53
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Solution
The fourth proportional to 75,070.18, 103,595.25 and 41,078.53 is: 56,687.50
Step by Step Solution
- Step 1: Write the proportion equation
75,070.18 : 103,595.25 = 41,078.53 : x - Step 2: Convert to fraction form
75,070.18/103,595.25 = 41,078.53/x - Step 3: Cross multiply
75,070.18x = 103,595.25 × 41,078.53 - Step 4: Simplify right side
75,070.18x = 4,255,540,584.98 - Step 5: Solve for x
x = 4,255,540,584.98/75,070.18 - Step 6: Final answer
x = 56,687.50
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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.