Finding the Fourth Proportional to 83,425.98, 125,137.93 and 20,246.63
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Solution
The fourth proportional to 83,425.98, 125,137.93 and 20,246.63 is: 30,369.68
Step by Step Solution
- Step 1: Write the proportion equation
83,425.98 : 125,137.93 = 20,246.63 : x - Step 2: Convert to fraction form
83,425.98/125,137.93 = 20,246.63/x - Step 3: Cross multiply
83,425.98x = 125,137.93 × 20,246.63 - Step 4: Simplify right side
83,425.98x = 2,533,620,691.37 - Step 5: Solve for x
x = 2,533,620,691.37/83,425.98 - Step 6: Final answer
x = 30,369.68
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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.