Finding the Fourth Proportional to 97,424.64, 134,099.28 and 69,081.12
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Solution
The fourth proportional to 97,424.64, 134,099.28 and 69,081.12 is: 95,086.09
Step by Step Solution
- Step 1: Write the proportion equation
97,424.64 : 134,099.28 = 69,081.12 : x - Step 2: Convert to fraction form
97,424.64/134,099.28 = 69,081.12/x - Step 3: Cross multiply
97,424.64x = 134,099.28 × 69,081.12 - Step 4: Simplify right side
97,424.64x = 9,263,728,453.59 - Step 5: Solve for x
x = 9,263,728,453.59/97,424.64 - Step 6: Final answer
x = 95,086.09
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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.