Finding the Fourth Proportional to 97,157.48, 145,698.04 and 47,222.96
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Solution
The fourth proportional to 97,157.48, 145,698.04 and 47,222.96 is: 70,815.88
Step by Step Solution
- Step 1: Write the proportion equation
97,157.48 : 145,698.04 = 47,222.96 : x - Step 2: Convert to fraction form
97,157.48/145,698.04 = 47,222.96/x - Step 3: Cross multiply
97,157.48x = 145,698.04 × 47,222.96 - Step 4: Simplify right side
97,157.48x = 6,880,292,715.00 - Step 5: Solve for x
x = 6,880,292,715.00/97,157.48 - Step 6: Final answer
x = 70,815.88
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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.