Finding the Fourth Proportional to 97,591.68, 134,662.28 and 57,318.44
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Solution
The fourth proportional to 97,591.68, 134,662.28 and 57,318.44 is: 79,091.07
Step by Step Solution
- Step 1: Write the proportion equation
97,591.68 : 134,662.28 = 57,318.44 : x - Step 2: Convert to fraction form
97,591.68/134,662.28 = 57,318.44/x - Step 3: Cross multiply
97,591.68x = 134,662.28 × 57,318.44 - Step 4: Simplify right side
97,591.68x = 7,718,630,856.54 - Step 5: Solve for x
x = 7,718,630,856.54/97,591.68 - Step 6: Final answer
x = 79,091.07
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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.