Finding the Fourth Proportional to 75,138.41, 103,683.82 and 44,917.73
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Solution
The fourth proportional to 75,138.41, 103,683.82 and 44,917.73 is: 61,982.17
Step by Step Solution
- Step 1: Write the proportion equation
75,138.41 : 103,683.82 = 44,917.73 : x - Step 2: Convert to fraction form
75,138.41/103,683.82 = 44,917.73/x - Step 3: Cross multiply
75,138.41x = 103,683.82 × 44,917.73 - Step 4: Simplify right side
75,138.41x = 4,657,241,832.13 - Step 5: Solve for x
x = 4,657,241,832.13/75,138.41 - Step 6: Final answer
x = 61,982.17
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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.