Finding the Fourth Proportional to 97,659.78, 146,735.53 and 62,137.09
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Solution
The fourth proportional to 97,659.78, 146,735.53 and 62,137.09 is: 93,362.07
Step by Step Solution
- Step 1: Write the proportion equation
97,659.78 : 146,735.53 = 62,137.09 : x - Step 2: Convert to fraction form
97,659.78/146,735.53 = 62,137.09/x - Step 3: Cross multiply
97,659.78x = 146,735.53 × 62,137.09 - Step 4: Simplify right side
97,659.78x = 9,117,718,833.81 - Step 5: Solve for x
x = 9,117,718,833.81/97,659.78 - Step 6: Final answer
x = 93,362.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.