Finding the Fourth Proportional to 75,151.41, 103,659.03 and 48,327.84
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Solution
The fourth proportional to 75,151.41, 103,659.03 and 48,327.84 is: 66,660.32
Step by Step Solution
- Step 1: Write the proportion equation
75,151.41 : 103,659.03 = 48,327.84 : x - Step 2: Convert to fraction form
75,151.41/103,659.03 = 48,327.84/x - Step 3: Cross multiply
75,151.41x = 103,659.03 × 48,327.84 - Step 4: Simplify right side
75,151.41x = 5,009,617,016.40 - Step 5: Solve for x
x = 5,009,617,016.40/75,151.41 - Step 6: Final answer
x = 66,660.32
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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.