Finding the Fourth Proportional to 97,322.94, 134,305.76 and 57,028.68
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Solution
The fourth proportional to 97,322.94, 134,305.76 and 57,028.68 is: 78,699.64
Step by Step Solution
- Step 1: Write the proportion equation
97,322.94 : 134,305.76 = 57,028.68 : x - Step 2: Convert to fraction form
97,322.94/134,305.76 = 57,028.68/x - Step 3: Cross multiply
97,322.94x = 134,305.76 × 57,028.68 - Step 4: Simplify right side
97,322.94x = 7,659,280,351.77 - Step 5: Solve for x
x = 7,659,280,351.77/97,322.94 - Step 6: Final answer
x = 78,699.64
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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.