Finding the Fourth Proportional to 97,546.32, 134,628.23 and 57,282.14
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Solution
The fourth proportional to 97,546.32, 134,628.23 and 57,282.14 is: 79,057.75
Step by Step Solution
- Step 1: Write the proportion equation
97,546.32 : 134,628.23 = 57,282.14 : x - Step 2: Convert to fraction form
97,546.32/134,628.23 = 57,282.14/x - Step 3: Cross multiply
97,546.32x = 134,628.23 × 57,282.14 - Step 4: Simplify right side
97,546.32x = 7,711,792,159.26 - Step 5: Solve for x
x = 7,711,792,159.26/97,546.32 - Step 6: Final answer
x = 79,057.75
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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.