Finding the Fourth Proportional to 83,790.84, 125,690.91 and 27,628.68
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Solution
The fourth proportional to 83,790.84, 125,690.91 and 27,628.68 is: 41,444.55
Step by Step Solution
- Step 1: Write the proportion equation
83,790.84 : 125,690.91 = 27,628.68 : x - Step 2: Convert to fraction form
83,790.84/125,690.91 = 27,628.68/x - Step 3: Cross multiply
83,790.84x = 125,690.91 × 27,628.68 - Step 4: Simplify right side
83,790.84x = 3,472,673,931.30 - Step 5: Solve for x
x = 3,472,673,931.30/83,790.84 - Step 6: Final answer
x = 41,444.55
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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.