Finding the Fourth Proportional to 75,212.58, 103,765.86 and 44,998.74
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Solution
The fourth proportional to 75,212.58, 103,765.86 and 44,998.74 is: 62,081.81
Step by Step Solution
- Step 1: Write the proportion equation
75,212.58 : 103,765.86 = 44,998.74 : x - Step 2: Convert to fraction form
75,212.58/103,765.86 = 44,998.74/x - Step 3: Cross multiply
75,212.58x = 103,765.86 × 44,998.74 - Step 4: Simplify right side
75,212.58x = 4,669,332,955.02 - Step 5: Solve for x
x = 4,669,332,955.02/75,212.58 - Step 6: Final answer
x = 62,081.81
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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.