Finding the Fourth Proportional to 75,069.18, 103,593.87 and 41,077.53
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Solution
The fourth proportional to 75,069.18, 103,593.87 and 41,077.53 is: 56,686.12
Step by Step Solution
- Step 1: Write the proportion equation
75,069.18 : 103,593.87 = 41,077.53 : x - Step 2: Convert to fraction form
75,069.18/103,593.87 = 41,077.53/x - Step 3: Cross multiply
75,069.18x = 103,593.87 × 41,077.53 - Step 4: Simplify right side
75,069.18x = 4,255,380,302.74 - Step 5: Solve for x
x = 4,255,380,302.74/75,069.18 - Step 6: Final answer
x = 56,686.12
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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.