Finding the Fourth Proportional to 97,465.05, 134,500.08 and 54,441.81
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Solution
The fourth proportional to 97,465.05, 134,500.08 and 54,441.81 is: 75,128.75
Step by Step Solution
- Step 1: Write the proportion equation
97,465.05 : 134,500.08 = 54,441.81 : x - Step 2: Convert to fraction form
97,465.05/134,500.08 = 54,441.81/x - Step 3: Cross multiply
97,465.05x = 134,500.08 × 54,441.81 - Step 4: Simplify right side
97,465.05x = 7,322,427,800.34 - Step 5: Solve for x
x = 7,322,427,800.34/97,465.05 - Step 6: Final answer
x = 75,128.75
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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.