Finding the Fourth Proportional to 89,935.44, 134,898.12 and 27,605.76
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Solution
The fourth proportional to 89,935.44, 134,898.12 and 27,605.76 is: 41,407.09
Step by Step Solution
- Step 1: Write the proportion equation
89,935.44 : 134,898.12 = 27,605.76 : x - Step 2: Convert to fraction form
89,935.44/134,898.12 = 27,605.76/x - Step 3: Cross multiply
89,935.44x = 134,898.12 × 27,605.76 - Step 4: Simplify right side
89,935.44x = 3,723,965,125.17 - Step 5: Solve for x
x = 3,723,965,125.17/89,935.44 - Step 6: Final answer
x = 41,407.09
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1.5x scale
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.