Finding the Fourth Proportional to 97,025.19, 133,850.50 and 70,125.09
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Solution
The fourth proportional to 97,025.19, 133,850.50 and 70,125.09 is: 96,740.63
Step by Step Solution
- Step 1: Write the proportion equation
97,025.19 : 133,850.50 = 70,125.09 : x - Step 2: Convert to fraction form
97,025.19/133,850.50 = 70,125.09/x - Step 3: Cross multiply
97,025.19x = 133,850.50 × 70,125.09 - Step 4: Simplify right side
97,025.19x = 9,386,278,359.05 - Step 5: Solve for x
x = 9,386,278,359.05/97,025.19 - Step 6: Final answer
x = 96,740.63
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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.