Finding the Fourth Proportional to 97,113.63, 134,019.32 and 54,673.68
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Solution
The fourth proportional to 97,113.63, 134,019.32 and 54,673.68 is: 75,451.09
Step by Step Solution
- Step 1: Write the proportion equation
97,113.63 : 134,019.32 = 54,673.68 : x - Step 2: Convert to fraction form
97,113.63/134,019.32 = 54,673.68/x - Step 3: Cross multiply
97,113.63x = 134,019.32 × 54,673.68 - Step 4: Simplify right side
97,113.63x = 7,327,329,142.13 - Step 5: Solve for x
x = 7,327,329,142.13/97,113.63 - Step 6: Final answer
x = 75,451.09
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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.