Finding the Fourth Proportional to 87,937.38, 121,350.06 and 51,633.99
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Solution
The fourth proportional to 87,937.38, 121,350.06 and 51,633.99 is: 71,252.84
Step by Step Solution
- Step 1: Write the proportion equation
87,937.38 : 121,350.06 = 51,633.99 : x - Step 2: Convert to fraction form
87,937.38/121,350.06 = 51,633.99/x - Step 3: Cross multiply
87,937.38x = 121,350.06 × 51,633.99 - Step 4: Simplify right side
87,937.38x = 6,265,787,784.54 - Step 5: Solve for x
x = 6,265,787,784.54/87,937.38 - Step 6: Final answer
x = 71,252.84
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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.