Finding the Fourth Proportional to 87,901.44, 121,304.30 and 47,615.08
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Solution
The fourth proportional to 87,901.44, 121,304.30 and 47,615.08 is: 65,708.98
Step by Step Solution
- Step 1: Write the proportion equation
87,901.44 : 121,304.30 = 47,615.08 : x - Step 2: Convert to fraction form
87,901.44/121,304.30 = 47,615.08/x - Step 3: Cross multiply
87,901.44x = 121,304.30 × 47,615.08 - Step 4: Simplify right side
87,901.44x = 5,775,913,948.84 - Step 5: Solve for x
x = 5,775,913,948.84/87,901.44 - Step 6: Final answer
x = 65,708.98
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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.