Finding the Fourth Proportional to 125,420.46, 173,089.23 and 71,704.08
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Solution
The fourth proportional to 125,420.46, 173,089.23 and 71,704.08 is: 98,956.77
Step by Step Solution
- Step 1: Write the proportion equation
125,420.46 : 173,089.23 = 71,704.08 : x - Step 2: Convert to fraction form
125,420.46/173,089.23 = 71,704.08/x - Step 3: Cross multiply
125,420.46x = 173,089.23 × 71,704.08 - Step 4: Simplify right side
125,420.46x = 12,411,203,995.06 - Step 5: Solve for x
x = 12,411,203,995.06/125,420.46 - Step 6: Final answer
x = 98,956.77
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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.