Finding the Fourth Proportional to 125,983.29, 173,857.41 and 69,394.53
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Solution
The fourth proportional to 125,983.29, 173,857.41 and 69,394.53 is: 95,764.71
Step by Step Solution
- Step 1: Write the proportion equation
125,983.29 : 173,857.41 = 69,394.53 : x - Step 2: Convert to fraction form
125,983.29/173,857.41 = 69,394.53/x - Step 3: Cross multiply
125,983.29x = 173,857.41 × 69,394.53 - Step 4: Simplify right side
125,983.29x = 12,064,753,253.97 - Step 5: Solve for x
x = 12,064,753,253.97/125,983.29 - Step 6: Final answer
x = 95,764.71
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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.