Finding the Fourth Proportional to 87,902.04, 121,304.88 and 47,615.88
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Solution
The fourth proportional to 87,902.04, 121,304.88 and 47,615.88 is: 65,709.95
Step by Step Solution
- Step 1: Write the proportion equation
87,902.04 : 121,304.88 = 47,615.88 : x - Step 2: Convert to fraction form
87,902.04/121,304.88 = 47,615.88/x - Step 3: Cross multiply
87,902.04x = 121,304.88 × 47,615.88 - Step 4: Simplify right side
87,902.04x = 5,776,038,609.49 - Step 5: Solve for x
x = 5,776,038,609.49/87,902.04 - Step 6: Final answer
x = 65,709.95
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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.