Finding the Fourth Proportional to 75,164.60, 103,727.14 and 41,175.23
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Solution
The fourth proportional to 75,164.60, 103,727.14 and 41,175.23 is: 56,821.80
Step by Step Solution
- Step 1: Write the proportion equation
75,164.60 : 103,727.14 = 41,175.23 : x - Step 2: Convert to fraction form
75,164.60/103,727.14 = 41,175.23/x - Step 3: Cross multiply
75,164.60x = 103,727.14 × 41,175.23 - Step 4: Simplify right side
75,164.60x = 4,270,988,225.17 - Step 5: Solve for x
x = 4,270,988,225.17/75,164.60 - Step 6: Final answer
x = 56,821.80
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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.