Finding the Fourth Proportional to 97,209.09, 134,148.56 and 52,497.09
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Solution
The fourth proportional to 97,209.09, 134,148.56 and 52,497.09 is: 72,445.99
Step by Step Solution
- Step 1: Write the proportion equation
97,209.09 : 134,148.56 = 52,497.09 : x - Step 2: Convert to fraction form
97,209.09/134,148.56 = 52,497.09/x - Step 3: Cross multiply
97,209.09x = 134,148.56 × 52,497.09 - Step 4: Simplify right side
97,209.09x = 7,042,408,765.20 - Step 5: Solve for x
x = 7,042,408,765.20/97,209.09 - Step 6: Final answer
x = 72,445.99
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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.