Finding the Fourth Proportional to 89,686.11, 134,536.91 and 23,125.68
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Solution
The fourth proportional to 89,686.11, 134,536.91 and 23,125.68 is: 34,690.52
Step by Step Solution
- Step 1: Write the proportion equation
89,686.11 : 134,536.91 = 23,125.68 : x - Step 2: Convert to fraction form
89,686.11/134,536.91 = 23,125.68/x - Step 3: Cross multiply
89,686.11x = 134,536.91 × 23,125.68 - Step 4: Simplify right side
89,686.11x = 3,111,257,528.85 - Step 5: Solve for x
x = 3,111,257,528.85/89,686.11 - Step 6: Final answer
x = 34,690.52
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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.