Finding the Fourth Proportional to 97,358.09, 134,354.12 and 52,646.09
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Solution
The fourth proportional to 97,358.09, 134,354.12 and 52,646.09 is: 72,651.57
Step by Step Solution
- Step 1: Write the proportion equation
97,358.09 : 134,354.12 = 52,646.09 : x - Step 2: Convert to fraction form
97,358.09/134,354.12 = 52,646.09/x - Step 3: Cross multiply
97,358.09x = 134,354.12 × 52,646.09 - Step 4: Simplify right side
97,358.09x = 7,073,218,158.39 - Step 5: Solve for x
x = 7,073,218,158.39/97,358.09 - Step 6: Final answer
x = 72,651.57
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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.