Finding the Fourth Proportional to 75,600.81, 104,327.60 and 47,322.09
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Solution
The fourth proportional to 75,600.81, 104,327.60 and 47,322.09 is: 65,303.53
Step by Step Solution
- Step 1: Write the proportion equation
75,600.81 : 104,327.60 = 47,322.09 : x - Step 2: Convert to fraction form
75,600.81/104,327.60 = 47,322.09/x - Step 3: Cross multiply
75,600.81x = 104,327.60 × 47,322.09 - Step 4: Simplify right side
75,600.81x = 4,936,999,840.07 - Step 5: Solve for x
x = 4,936,999,840.07/75,600.81 - Step 6: Final answer
x = 65,303.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.