Finding the Fourth Proportional to 97,122.24, 145,592.64 and 47,165.76
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Solution
The fourth proportional to 97,122.24, 145,592.64 and 47,165.76 is: 70,704.58
Step by Step Solution
- Step 1: Write the proportion equation
97,122.24 : 145,592.64 = 47,165.76 : x - Step 2: Convert to fraction form
97,122.24/145,592.64 = 47,165.76/x - Step 3: Cross multiply
97,122.24x = 145,592.64 × 47,165.76 - Step 4: Simplify right side
97,122.24x = 6,866,987,516.01 - Step 5: Solve for x
x = 6,866,987,516.01/97,122.24 - Step 6: Final answer
x = 70,704.58
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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.